2002-2007 WRX/STI

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DESCRIPTION The MSP Under glow kit is exactly what you would expect and more! This kit comes with 3M adhesive pre-applied for an easy install. For...

The IDoing head unit is a full plug and play solution that features a 9" display. It is a great way to add Apple CarPlay or Android Auto to any old...

Formulated for long-lasting corrosion and rust protection for all cooling system components, this prediluted antifreeze/engine coolant prevents the...

LowerClass Garage Front Chassis Brace Looking to increase the aggression of your front end? The LowerClass Brace Bar not only looks good, but adds ...

DESCRIPTION The GrimmSpeed V2 Bypass Valve received many upgrades such as a redesigned the internal piston to eliminate the potential failure point...

DESCRIPTION The Invidia Up-Pipe is a high-performance upgrade for Subaru models, designed to replace the restrictive and failure-prone factory up-p...

Seibon Carbon components are carefully hand-crafted using only the finest materials. Our production team offers superior craftsmanship with over 15...

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...

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 The Invidia Up-Pipe - No EGT Bung is a premium upgrade for Subaru owners looking to improve exhaust flow and turbo efficiency. Designed...

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...

DESCRIPTION The GrimmSpeed Ceramic Coated 2 Bolt Up-Pipe has been designed to be a high-performance direct replacement for your factory up-pipe to ...

FloorLiner In the quest for the most advanced concept in floor protection, the talented designers and engineers at WeatherTech have worked t...

The Weighted COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet stainless steel base/insert provides a weigh...

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

The AMS Performance WRX/STI Carbon Fiber Shift Knob was designed to extend the length of the shifter which aids in shifting throw and keeps the kno...

Give everyone a subtle hint as to what is under the hood of your COBB Flex Fuel tuned car! Highly reflective silver mylar decal laminated with an...

DESCRIPTION The Grimmspeed Top Mount Intercooler Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a...

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

DESCRIPTION The Muteki Black SR48 Open Ended Lug Nuts (M12x1.25) are a lightweight, durable, and affordable upgrade designed for Subaru owners ru...

NGK single iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consis...

DESCRIPTION Here, you are looking at the GrimmSpeed Lightweight Battery Tiedown. This is a great way to improve the looks and aesthetics of your en...

DESCRIPTION The standard GrimmSpeed Shift Knob is one of the most popular in the Subaru aftermarket for a reason. They are the perfect mixture of r...

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

Oil Supply Line and gasket set included! FP Green HTZ Compressor wheel - 76HTZ Flow rating - 61LB per minute CW Measurements - 54.8MM Inducer / 76...

There is nothing we like to see more than an AP peeking over the dash. With the V3 holster, there is no reason not to run your AP in-vehicle. Thi...

DESCRIPTION We know that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We...

The COBB Shifter Bushing Pack includes both the front and rear shifter bushings. This upgraded bushings greatly improves the feel of the shifter ...