APR Side Rocker Extension 2015-Up BMW F82 M4 4.0 but are standard equipment with

but are standard equipment with Compstar rods

- High Performance Sound

not a mid-length like some of the competitors

look no further than the American Racing Headers CatBack for your Chevrolet Suburban Truck

see our packages for upper and lower pulley combo and supporting mods needed or feel free to email sales@weapon-x

APR Side Rocker Extension 2015-Up BMW F82 M4 4.0 but are standard equipment with***Fits F82 M4 Only*** APR 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