2002-2007 WRX/STI

The Injen RD series is a cold air intake system for the enthusiast craving mid-range power. The intake tube is strategically placed behind the fron...

Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower an...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

Add easy horsepower to your ride with the Injen Technology IS Performance short ram Air Intake! Our engineers spent abundant amounts of time design...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

Up for sale is a used STI pipe. This part is in good working condition, and may have some minor wear or scratches visible from the pictures. We ...

Perrin Top Mount Intercooler Coupler Fitment Type: Performance/Custom Warranty: 5 Year Brand: PERRIN Performance Manufacturer Part Number: ...

Perrin Top Mount Intercooler Coupler Fitment Type: Performance/Custom Warranty: 5 Year Brand: PERRIN Performance Manufacturer Part Number: ...

This part is in good working condition, and may have some minor wear or scratches visible from the pictures. We do our best to point out any impe...