Perrin light weight pulley. 4 LBS lighter than the stock pulley!

Perrin's 08 STI front end links.

The AccessPORT reprograms your vehicle's computer to optimize the air/fuel ratio and ignition timing, increase boost, remove the speed limiter, and more for performance results you can instantly feel! 2004-2006 STIs can see gains of +25 Horsepower

The COBB Tuning Stainless Steel 3” Turbo Back Exhaust was designed to be everything we were looking for in an exhaust system -- a complete, truly engineered system, that offers optimal performance, tasteful looks, and unparalleled durability without a lou

The COBB Tuning catback exhaust is heralded often for its quality, performance, and subtlety. Engineered to be a vehicle specific unit, the catback exhaust uses the highest quality stainless piping and a muffler designed for direct and efficient flow of e

Perrins TMIC for the 08 wrx hatch and sedan.