The ACT Street STi kit will hold up to 515LBS Torque.

This is a full clutch kit, Includes street clutch disc, heavy duty pressure plate, alignment tool, act streetlight flywheel and throw out bearing.

The pedal feel is similar to stock. It is a little bit stiffer th...

Hawk Performance HPS Ferro-Carbon compound brake pads provide advanced braking characteristics to enhance the driving experience.

Hawk Performance HPS pads offer 20-40% more stopping power and higher resistance to brake fade than...

This component replaces the stock shift lever in the 2004+ Impreza STi. Overall shift throw is decreased by 40%, providing a noticeable difference and a solid feel. Constructed of CNC'd and TIG welded 4130 Cr-Mo steel. Installs with simple mechanic's tools in under 30 minutes. Made in USA....

This component replaces the stock shift lever in the 2004+ Impreza STi. Overall shift throw is decreased by 40%, providing a noticeable difference and a solid feel. Constructed of CNC'd and TIG welded 4130 Cr-Mo steel. Installs with simple mechanic's tools in under 30 minutes. Made in USA....

The project MR NS are Street Brake Pads with Superior Initial Stopping Power and in addition to reducing brake dust and squeal, NS helps keep rotor wear to a minimum.

Developed specifically for the stre...

The Walbro fuel pump is an ideal upgrade for any STi that is running more boost then stock.

The in-tank fuel pump makes for a clean, easy installation by replacing the factory unit. Remember more boost always requires more fuel to be safe.

Being able to properl...

Increase horsepower and throttle response instantly by adding a 3 inch downpipe and high flow up-pipe.

Downpipe Specs:
- 100% SUS-304 Stainless Steel with computerized mandrel-bent
...