UP the power of your boost with Perrin's water injection system. "Using our Performance Water Injection System he was able to increase boost levels, and make almost 50 additional horsepower plus 50ft-lbs of torque."

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

Perrins front sway bar 25mm settings

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

The only way to make your car turn, stop or go is if all the available tire patch is hitting the surface at hand. The factory included what many regard to be a whimsical attempt to increase cornering with puny sway bars on the front and rear. PERRIN™ see

Perrins TMIC for the 08 wrx hatch and sedan.

The 2008 COBB Tuning up pipe is designed for the turbo application vehicles, to reduce back pressure and increase exhaust flow to the turbo. The result is quicker turbo spool up time and more power!