$400-$500  

aFe POWER Twisted Steel Race Series Down-Pipes

BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
BMW
2011-13 BMW 335i /135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36302-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno
  • A unique 3.5" to 4" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
  • Designed using a resonance chamber to help reduce the in-cab resonance found with other non-catted down pipes
Install-Download (PDF)
Dyno Chart
2011-13 BMW 335i/135i L6-3.0L N55; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36302-HC
Price: $1,129.33
Sale Price: $847.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • In house testing produced a max gain of +14 horsepower and +39 ft. lbs. of torque verified by our in house dyno (results from the "Race" version down pipe)
  • This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 2.5" to 3" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
Install-Download (PDF)
Dyno Chart
2012-13 BMW 335i L6-3.0L (t) N55; Twisted Steel 4" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36311
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-13 BMW 335i (F30) L6-3.0L N55; Twisted Steel 4" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36310
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Airflow Chart
2012-16 BMW 328/428i (F30/32) I4-2.0L N20; Twisted Steel 4" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36303-HC
Price: $1,073.33
Sale Price: $805.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2012-16 BMW 328i/428i (F30/F32) I4-2.0L (t) N20; Twisted Steel 4' 409 SS Race Series Down-Pipe
  - 452-48-46303-HN
Price: $738.67
Sale Price: $554.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 (F80/82/83) L6-3.0L S55; Twisted Steel 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36312-1
Price: $2,272.00
Sale Price: $1,704.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2015-19 BMW M3/M4 L6-3.0L (tt) S55; Twisted Steel 3' 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36313
Price: $1,701.33
Sale Price: $1,276.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • Thick flanges to ensure a leak-free seal
  • Race-inspired raw power with an aggressive sound
  • Includes high quality, O.E. style, V-band turbo flanges
  • In testing, this system resulted in gains up to +20 horsepower and +22 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4-1/2 to 3' 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36317-HC
Price: $1,060.00
Sale Price: $795.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW 340i/440i L6-3L B58; Twisted Steel 4.5" to 3" 304 SS Steel Race Series Down-Pipe w/o Cat
  - 452-48-36317-HN
Price: $780.00
Sale Price: $585.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +30 HP and +31 lbs. x ft. Torque max gains
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • Incorporates a second bung for either a wide-band O2 gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 (F87) L6-3L N55; Twisted Steel 3.5" to 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36315-HN
Price: $849.33
Sale Price: $637.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Race version for added performance and a more aggressive sound
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
2016-18 BMW M2 L6-3.0L N55; Twisted Steel 3.5" to 3" 304 SS Street Series Down-Pipe w/ Cats
  - 452-48-36315-HC
Price: $1,282.67
Sale Price: $962.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Street Series version for added performance and a more aggressive sound
  • Utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • A unique 3-1/2" to 3" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Factory style V-band flanges are used for a secure leak-free seal
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Honda
2012-15 Civic Si I4-2.4L; Twisted Steel 2.75" to 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36602-HN
Price: $753.33
Sale Price: $565.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity
  • Constructed of durable mandrel-bent, brushed 304 stainless-steel tubing
  • Incorporates a heavy duty 6" flex tube for added strength and durability
  • Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
  • In testing, this down-pipe produced a max gain of +8 HP and +7 ft. lbs. x TQ verified by our in-house dyno (From "Street" version, tested on 2015 Honda Civic Si I4-2.4L)
Install-Download (PDF)
Dyno Chart
2016-19 Civic/Civic Si I4-1.5L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cat
  - 452-48-36604-HN
Price: $570.67
Sale Price: $428.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +14 HP and +27 lbs. x ft. Torque max gains *(Dyno results are from 2017 Honda Civic Coupe EX-T Manual)
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Includes O2 sensor extension
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
2017-19 Civic Type R I4-2.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36606-HN
Price: $710.67
Sale Price: $533.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +26 HP and +13 lbs. x ft. Torque max gains
  • Race version for added performance and a more aggressive sound
  • Includes brackets to mount OE Heat Shield
  • Constructed of 3" mandrel bent, brushed finish 304 stainless steel tubing
  • OE-style flanges for a leak-free seal
  • Includes second bung for either a wide-band Oâ‚‚ gauge or auxiliary instrumentation
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Hyundai
2018 Hyundai Elantra GT Sport I4-1.6L (t); Twisted Steel 3" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-37001-HN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with 48-37001-HC)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • Laser cut flanges for maximum strength and durability
  • Quality hardware and OE-style bayonet hangers for hassle-free install
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Infiniti
2016-19 Q50/Q60 V6-3.0L (tt); Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36111-RN
Price: $586.67
Sale Price: $440.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +9 HP and +13 lbs. x ft. torque
  • Retains primary factory monitored cat, no check engine light
  • Eliminates unmonitored rear cat
  • 2 1/2" mandrel-bent, brush finished 304 stainless steel tubing improves flow for proven gains and quality finish
  • Utilizes factory mounting brackets, flange connection and quality hardware for a direct-fit install
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Race Series Down-Pipe w/o Cats
  - 452-48-36110-HN
Price: $905.33
Sale Price: $679.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Up to +16 HP and +23 lbs. x ft. torque (tested with 48-36110-HC)
  • 3" mandrel-bent, brushed finished 304 stainless steel tubing for improved flow, great appearance
  • V-band machined flange connects to factory turbo for a secure seal
  • Quality mounting hardware included for a hassle-free install
  • 100% hand TIG-welded for strength and durability
Install-Download (PDF)
Dyno Chart
2016-19 Q50/Q60 V6-3.0L; Twisted Steel 3" 304 Stainless Steel Street Series Front Down-Pipe w/ Cats
  - 452-48-36110-HC
Price: $1,464.00
Sale Price: $1,098.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Dyno-Proven Gains up to +24 HP & +27 Lbs. x Ft. TQ
  • 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector
  • 6-2-1 Tri-Y Designed Headers
  • High Quality 3/8" Thick, 304 Stainless Steel Laser-Cut Head Flanges
  • Includes Hi-Flow, Ceramic, 400 Cell Catalytic Converter
  • Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • Fits 2-Door Model Only
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Jeep
2012-18 JK Wrangler V6-3.6L; Twisted Steel 2" 409 SS Street Series Header Down-Pipes w/ Cat
  - 452-48-48022-HC
Price: $1,352.00
Sale Price: $1,014.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Mini
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Race Series Down-Pipe w/o Cats
  - 452-48-36318-HN
Price: $725.33
Sale Price: $544.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +7 HP and +9 lbs. x ft. Torque max gains
  • Constructed of 2-1/2" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • Fits both Automatic & Manual Transmissions
Install-Download (PDF)
Dyno Chart
2007-13 Mini Cooper S (R56) I4-1.6L(t) N18; Twisted Steel 2.5" 304 SS Street Series Down-Pipe w/ Cat
  - 452-48-36318-HC
Price: $990.67
Sale Price: $743.00
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • +10 HP and +11 lbs. x ft. Torque max gains
  • Incorporates high-flow, 400 CPSI catalytic converters for improved flow
  • Constructed out of mandrel-bent 409 stainless steel tubing for unrestricted flow
  • 3/8" thick, laser-cut, flanges designed to match the manifolds for a leak-free seal
  • 3" into 2-1/2" to 2"outlet connect directly to Factory or aFe exhaust
  • Heavy-duty flanges are used to maintain a leak-free seal
  • Optimized tube lengths improve flow and performance
  • 100% hand MIG-welded Construction Ensures Optimal Strength and Durability
Install-Download (PDF)
Dyno Chart
Overview

aFe POWER Twisted Steel Race Series Downpipes are made of 304 stainless steel tubes and feature a stepped design to increase the exhaust velocity. These pipes are available for different applications and install easily. They are crafted by certified TIG-welders to ensure race-ready toughness and dependability.

Note

This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.

Features:
  • Dyno tested and proven
  • Utilizes a stepped designed for increase in exhaust velocity
  • Mandrel bent stainless steel tube
  • 100% hand TIG-welded for race proven-strength and toughness
  • Made in the U.S.A