Carbon Fiber Subaru WRX/ STI Side Rocker Extensions 2015-2021 acrua Oxygen Content = 9

Oxygen Content = 9

Reduced bumpsteer results in smoother steering and quicker lap times

The 12 Injector Option comes complete with fuel rail

This lightweight

Engineered to be a proper factory style design that provides the safety and style of a weekend racer with the refinement of a daily driver

Carbon Fiber Subaru WRX/ STI Side Rocker Extensions 2015-2021 acrua Oxygen Content = 9APR 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: Pre Preg Carbon Fiber