2010-14 Roush Mustang Side Splitters Rocker Panels Kit - Driver & Passenger Side Pair For use on any 2010-2014 Ford Mustang Attaches to bottom of stock side rocker panels Includes left and right side splitters; no trimming needed All required parts included; made of high strength TP olefin Comes unpainted with grained texture to increase longevity against rock impacts from driving