BMW

BMW
1 2 
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
1 2 
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