APR Side Rocker Extensions - Fits 15-21 Subaru WRX / STI subaru-baja-2003 ensures versatility for different driving

ensures versatility for different driving conditions

2004-2007 Subaru Impreza WRX STI H4

It can be installed externally or in-tank using optional hardware that is sold separately (see Images tab and part numbers

The XS platform adds incredible versatility to this Recirculating Bypass Valve

This makes for not only the coldest air possible but the most air possible

APR Side Rocker Extensions - Fits 15-21 Subaru WRX / STI subaru-baja-2003 ensures versatility for different drivingAPR Side Rocker Extensions are the next step to help aerodynamically tune the handling of a car. Made of lightweight and durable carbon fiber composites, APR Side Rocker Extensions help reduce lift at high speeds by preventing air at the sides of the car from rolling underneath the car. The reduced lift helps to stabilize the car during high speed cornering and helps to increase traction for faster lap times. Features: Carbon Fiber Construction All