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aFe POWER Twisted Steel Street Series Down-Pipes

Subaru

2015-19 Subaru WRX STi H4-2.5L (t); Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/ Cats

- 452-48-36801-HC

Price: $921.33
Sale Price: $691.00

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

This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow
Unique fabricated bellmouth design for free flowing wastegate
Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
100% hand TIG-Welded by certified craftsmen for race proven strength and durability
Includes second bung for either a wide-band O2 gauge or auxiliary instrumentation
In house testing produced a max gain of +22 horsepower and +37 ft. lbs. of torque verified by aFe's in house dyno

Install-Download (PDF)
Dyno Chart

2015-19 Subaru WRX STi H4-2.5L; Twisted Steel 2.5" to 3" 304 SS Street Series Down-Pipe w/o Cats

- 452-48-36801-HN

Price: $682.67
Sale Price: $512.00

Features

In-house dyno testing produced gains of up to +22 horsepower and +37 lbs. x ft. torque *(Dyno test results are from P/N 48-36801-HC)
Unique fabricated bellmouth design for free flowing wastegate
Includes second bung for either a wide-band O2 gauge or auxiliary instrumentation
High quality laser cut flanges for maximum strength and durability
Designed to bolt-on in the stock location with no cutting or modifications required
100% hand TIG-welded for strength and durability

Install-Download (PDF)
Dyno Chart