2015-2021 WRX STI Mods

The South Bend Stage 2 Endurance Clutch Kit is a clutch kit that South Bend had intended for the racing climate. The pressure plate included in thi...

Southbend Clutch Kits are considered to be one of the most comfortable high-performance clutch kits on the market due to the OEM-like feel and driv...

The South Bend Stage 2 Daily Clutch Kit is the ideal clutch for those of you with basic performance modifications that would otherwise surpass the ...

This is an excellent clutch for those of you with moderate bolt-ons as this clutch is rated to 400ft-lbs at the crank. The Stage 3 is considered to...

Southbend Clutch Kits are considered to be one of the most comfortable high-performance clutch kits on the market due to the OEM-like feel and driv...

The South Bend Stage 3 Daily Clutch Kit has been designed for those of you who are making big power and big boost numbers but don't want the harshn...

The South Bend Stage 2 Daily Clutch Kit has a 496 ft-lb torque rating which is plenty of clutch for the street, and plenty of clutch for those of y...

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

SPL Parts Titanium Series adjustable Rear Lower Camber Arms (RLL) increase stability and response by eliminating bushing deflection and offer a wid...

Swivel Joint Tow Hook, Red Rear

DESCRIPTION The main purpose of the Grimmspeed License Plate Relocation Kit is to position the license plate to the OEM tow hook provision. The f...

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

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 Air Oil Separator. If you're familiar with modifying your vehicle, then you will know the importance of an air/o...

DESCRIPTION This is the Grimmspeed Splitter that is available for separate purchase. This particular splitter comes with the Grimmspeed Top Mount I...

DESCRIPTION To help keep chassis deflection at bay and to keep any large dents out of your front fascia we’re offering the GrimmSpeed Bumper Bar as...

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

Tweeter speakers help to enhance high-frequency response. Manufactured for Subaru by Kicker®. Excludes HK models. Rated Input 150 Watts RMS, Max In...

Provides powerful deep bass, and also assists in clean sound reproduction from all vehicle speakers. This is achieved by its integrated 100W amplif...

CARBON REPRODUCTIONS RS STYLE GURNEY FLAP This carbon fiber gurney flap enhances the look of the STI OEM wing. Japanese style at a fraction of the ...