2002-2007 WRX/STI

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments DESCRIPTION The GrimmSpeed Ceramic ...

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...

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...

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 The GrimmSpeed Turbo To Downpipe Gasket is made using a premium multi-layer steel with a stainless steel fire-ring, this gasket surpass...

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

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments DESCRIPTION We designed this up pip...

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

DESCRIPTION Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" ...

DESCRIPTION Replace your missing or damaged up-pipe hardware with the same high-quality kit included in all GrimmSpeed Up-Pipes. Designed for durab...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 2004+ Subaru STI. We designed our ...

DESCRIPTION Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" ...

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

Overtake Turbo to Downpipe Gasket | Be Done With Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-quality gasket for y...

Torque Solution Thermal Downpipe Blankets are highly effective at protecting components around your downpipe by blocking the heat produced by the h...

Overtake Fiber-Reinforced Graphite Donut Gasket – A Durable, Cost-Effective Replacement for Your OEM Gasket If your Subaru’s OEM donut gasket is wo...

Overtake 3in 2X Thick Exhaust Gasket | Be Done With Exhaust Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-quality g...

OVERTAKE Catback Refresh Kit | Get Your Exhaust Sealed Up Right Is that catback you just picked up off marketplace missing a few pieces? Maybe you'...

Overtake OEM Downpipe to 3in Cat Back Exhaust Adapter – Eliminate Exhaust Leaks and Improve Flow Solve your exhaust leak problems with the Overtake...

Overtake Exhaust Manifold to Head Gasket | Be Done With Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-quality gaske...

Overtake Exhaust Manifold to Up Pipe 2x Thick Gasket | Be Done With Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-q...

Overtake Exhaust Manifold to Up Pipe Gasket | Be Done With Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-quality ga...

Overtake Exhaust Manifold Hardware Kit | Get Your Header Bolted Up Right If you've ever removed the header from your Subaru, you know that the hard...

Overtake 3in Downpipe to OEM Subaru Exhaust Adapter – Eliminate Exhaust Leaks and Improve Flow Solve your exhaust leak problems with the Overtake 3...