2008-2014 Subaru WRX/STI Mods

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 th...

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 th...

Description Our Subaru Battery Tie Down is professionally designed in CAD and machined from quality billet aluminum. A black anodized finish an...

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

DESCRIPTION The Stage 1 Drivetrain Package Includes: Subaru 6-Speed Front Shifter Bushing; Subaru Rear Shifter Bushing; 6-Speed Double Adjustabl...

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

Description Tired of your Accessport OBDII cable getting in the way? Our new OBDII Universal Cable features a much lower profile OBD connector ...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results)...

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 The Subaru OEM Group N Pitch Stop Mount is designed to minimize drivetrain movement and improve power delivery. In performance driving,...

DESCRIPTION We all know how bad (and expensive!) the OEM Subaru Top Mount Intercooler Gaskets can be. They are one of the greatest source of leaks ...

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 th...

Emissions This part is in the process of external testing with the EO process ongoing. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION ...

DESCRIPTION Clean up that engine bay and show your GrimmSpeed pride with our newly-designed Subaru Battery Tiedown. Laser cut, then CNC bent and po...

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

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

Description The COBB Redline Carbon Fiber Alternator Cover is constructed of 2x2 twill carbon fiber sheet and finished off with a high quality ...

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 th...

Description This Subaru License Plate Delete Kit fits specific Subaru Impreza WRX’s, Impreza STi’s, Subaru Foresters and Subaru Outbacks so ple...

P2M rear lower control arms were made to accommodate extreme drop in mind. The rear lower control arms by itself will lower the vehicle stance over...

DESCRIPTION The GrimmSpeed Stubby Knobs are for car enthusiasts that prefer a shift knob that's on the short and fat side, based off the design of ...