2015+ Sti

The ultra-strong PERRIN Strut Tower Brace eliminates strut tower flex and is an excellent accent piece for your engine bay. DETAILS: PERFORMANCE ...

The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look. DETAILS: LET YOUR RADIATOR LOOK HOT WHILE GETT...

The PERRIN Lightweight Crank Pulley lightens up your rotating engine parts to free up power. True weight savings can be felt with every blip of the...

Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop Mount. Subarus with power and drivetrain upgrades will need PER...

Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and...

Regardless of what you drive, we know you care about your car’s style – That’s why we’ve teamed up with Hoonigan to release a limited-edition bille...

The Subaru WRX STI provides a great balance of power, handling, and reliability. As with any vehicle, controlling fluid temperatures will ensure co...

The Subaru STI provides a great balance of power, handling, and reliability. As with any vehicle, controlling fluid temperatures will ensure consis...

Free up some engine bay space with the Mishimoto Subaru WRX/STI Plug-N-Play Aluminum Fan Shroud Kit! This kit bolts directly to your stock or Mishi...

Mishimoto is proud to release the 2015+ Subaru WRX/STI cat-back exhaust. One of the biggest complaints 2015 WRX owners have is that the stock 2015 ...

The Exedy Stage 1 Organic Disc Clutch Kit is ideal for street and light horsepower track use with drivability that is similar to the stock clutch. ...

The Eibach Sway Bar Kit includes front and rear sway that have been designed to reduce body roll and will improve the handling, cornering speed, an...

The Eibach Front Sway Bar has been designed to reduce body roll and the result is improved handling, cornering speed, and driver feedback. This is ...

These are the Eibach Pro-Kit Lowering Springs. These lowering springs have been engineered to improve the balance and handling of your vehicle with...

Running ethanol requires larger injectors, and certainly a stronger fuel pump. This is the AEM E-85 High Flow In-Tank Fuel Pump. This particular fu...

This is ACT's new Mod Twin 225 HD Rigid Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggre...