Add true race-inspired styling to your Ford Mustang with Roush's Rear Side Splitter kit. Each splitter fits underneath the rear valance to create an aggressive styling line with the road. The rear splitter kit includes both the left and right sides of your Mustang. These splitters come unpainted and featuring a black stipple finished which is more resistant to impact from rocks while driving. Installation takes only minutes, and there is no trimming needed. All required parts are included.