2008 - 2014 STI

The Hawk HT-10 Track, and Competition Brake Pads are for linear in-braking in a medium temperature range that delivers smooth and controllable init...

Here, you're looking at the ACT Heavy Duty 6 Pad Clutch Kit for the 2004-2021 STI. The ACT Heavy-Duty M/Race Rigid 6-Pad Disc Clutch Kit is a great...

The Exedy Stage 4 Heavy Duty Twin Metallic Disc Clutch Kit is ideal for those who are making big horsepower numbers, or for those who participat...

The Borla S-Type Catback Exhaust System combines larger piping diameter with smooth mandrel bends to produce more horsepower, more torque, along wi...

This is the Tomei Equal Length Exhaust Manifold and is a great upgrade for those of you looking to optimize the exhaust flow for improved power an...

The PERRIN STI Wing Stiffys reduce flex and bounce in your wing while adding WRC styling. While sold in singles, consider changing the order quanti...

The Competition Clutch Stage 4 6-Puck Clutch Kit that is now available for your application. This is a great option for those of you who have moder...

This is the Competition Clutch Stage 3 Full Face Friction Clutch Kit. This particular clutch kit has been designed to have a higher torque rating t...

If you have modifications that substantially increase the horsepower and torque in your vehicle, you are going to surpass the limits of the OEM clu...

This is ACT's new Mod Twin 225 HD Sprung Street Clutch Kit is ideal for high-horsepower AWD vehicles and unites uncompromised pedal feel, durabilit...

The Magna Flow Cat-Back Exhaust System has been designed for those looking for both maximum performance with an aggressive sound. DETAILS: Smooth ...

This is Borla's Unequal-Length Header. Although the factory exhaust manifold is robust by design, there is much room for improvement in terms of pe...