Roush Side Splitter KitRear LH & RH Black Stipple FinishAdd true race inspired styling to your Mustang with ROUSH's Rear Side Splitter kit. The rear splitter kit includes both the left and right sides of your Mustang. Each splitter fits underneath the rear valance to create an aggressive styling line with the road. Designed with OEM CAD data to ensure precise fitment; Includes all required hardware and instructions. The Mustang Rear Side Splitter kit is made from high strength TPO (thermal plastic olefin)