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Upgrade your BMW 4 Series with our carbon fibre M Performance side skirts
The Trunk cover is used to seal off the existing holes in the center of the trunk
designs its wings to allow interchangeability between side plates
****Does not fit SXT Model***
The flow of air is not only limited to the outside of a car
Scion FR-S / Subaru BRZ / Toyota GT-86 Side Rocker Extensions/ Side Skirt 2013-2021 AT Upgrade your BMW 4 SeriesAPR 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 ConstructionAll APR
