2015-2021 Subaru STI Exhausts

For those of you looking to add performance by losing weight and adding horsepower, then you will be pleased with the Tomei Expreme Titanium Cat-Ba...

This is the Invidia Up-Pipe. This up-pipe makes for an excellent exhaust upgrade as the factory up-pipe can rob you of power and performance. Over ...

DESCRIPTION The Faction Fab OEM replacement axle-back system is 100% made in the USA, using American sourced tubing for best quality and manufactur...

DESCRIPTION The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need t...

PLM Private Label Mfg. Power Driven Subaru EWG Up-Pipe with Dump Tube 38mm features a unique designed up pipe which gives you the option to install...

304 stainless steel construction Designed to bolt an aftermarket 3-inch 2-bolt cat-back exhaust system to the stock downpipe flange 2.5 inch to 3-...

DESCRIPTION The Faction Fab OEM replacement axle-back system is 100% made in the USA, using American sourced tubing for best quality and manufactur...

DESCRIPTION To help reduce excessive exhaust movement that can lead to the occasional rattle or rubbing, we offer highly durable Urethane ex...

DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...

DESCRIPTION This is the GrimmSpeed Downpipe Donut Gasket. This gasket is available as a direct replacement for your leaking OEM donut gasket and fe...

Proudly designed, engineered, and manufactured in-house at AWE, in the USA Max gains of 8 hp and 4 ft-lbs of torque at the wheels Handcrafted fro...

This is the Invidia Up-Pipe. This up-pipe makes for an excellent exhaust upgrade as the factory up-pipe can rob you of power and performance. Over ...

DESCRIPTION We designed this up pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD Software. This assures that we c...

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION COBB Exhaust ga...

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

DESCRIPTION The Faction Fab OEM replacement axle-back system is 100% made in the USA, using American sourced tubing for best quality and manufactur...

PLM Power Driven Subaru 44mm EWG Up-Pipe with Dump Tube features a unique designed Up-pipe which gives you the option to install a 44mm or 45mm ext...

DESCRIPTION Exhaust leaks seem to be an all-too-common issue with most modded Subarus. The most guaranteed leak you will get is if you run an after...

The COBB Tuning Uppipe is constructed of rugged, 14-gauge, 2-inch diameter stainless steel tubing to endure the intense exhaust gas temperatures ...

Here, you are looking at the Remark Axle-Back Exhaust System. These have been designed to save weight by replacing the heavy factory mufflers, all ...

MBRP® Cat-Back Performance Exhaust for Subaru WRX2.0L, Subaru WRX STI 2.5L Models. 3" Cat-Back, Dual Split Rear Exit, T304 Stainless Steel, RACE Ve...

Durable stainless steel construction Designed to adapt the end of a 3-inch downpipe to the stock or 2.5-inch cat-back exhaust system Optimizes the...

This is the Tomei Expreme Unequal Length Exhaust Manifold. This is a direct replacement for your factory exhaust manifold to save weight, improve t...

DESCRIPTION We designed this up pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD Software. This assures that we c...

DESCRIPTION Aftermarket exhaust systems are often larger in diameter than factory systems. As a result, they have a tighter fit below your car. Wit...

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION 304 stainless ...

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

This is the Remark Mid Pipe Kit. This mid-pipe has been designed with a larger piping diameter to improve the power, performance, and the turbo res...

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)