Subaru WRX/ STI Side Rocker Extensions 2015-2021 2015-2017 STI Upgrade you BMW M3 or

Upgrade you BMW M3 or M4 with our dry carbon fibre front bumper trims

for a factory-like fitment

Upgrade your Audi S4 B8

Carbon Fiber ConstructionAll APR Rear Bumper Skirts are made in carbon fiber composites for lightweight and high strength

Subaru WRX/ STI Side Rocker Extensions 2015-2021 2015-2017 STI Upgrade you BMW M3 orAPR 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