2008-2014 Subaru WRX Engine

The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

Stay Ahead Of Your Competition With The AMS Subaru WRX / STI Intake Manifold! The AMS Subaru Intake Manifold was designed to outperform the competi...

DESCRIPTION The Injector Dynamics ID1300-XDS fuel injectors are a high-performance, top-feed injector set built for serious Subaru builds running h...

DESCRIPTION The Injector Dynamics ID2600-XDS fuel injectors are a top-feed, high-flow injector set built for extreme fuel demand—big turbo, high bo...

Classic Subaru Sound with Unparalleled Performance Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highes...

DESCRIPTION The GrimmSpeed Dry-Con Panel Filter is a high-performance direct-OEM replacement panel filter that has been designed to flow more air w...

DESCRIPTION These are the Grimmspeed Head to Exhaust Manifold Dual Port Gaskets. These particular gaskets see some of the highest temperatures when...

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

This kit is designed to provide a way to data log and monitor the ethanol content of fuel on most new Subaru Vehicles. Our proprietary controller r...

DESCRIPTION If you’re going flex fuel, turning up boost, or upgrading to a turbo that actually needs fuel, the Injector Dynamics ID1050-XDS Top Fee...

The Injector Dynamics ID1750-XDS fuel injectors are a high-flow, top-feed injector set built for Subaru owners who need serious fueling headroom fo...

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

DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...

Draw from our success of the PLM strut tower bar for Honda models, we are pleased to offer our strut tower brace for Subaru WRX & STI. Made fr...

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...

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...