Quick view Roush ROUSH 2010-2014 Ford Mustang Unpainted Quarter Window Louver Kit - 420093 Compare $229.99 The ROUSH Mustang Quarter Window Louvers give your Pony a true retro muscle car look. Part of the ROUSH ?R6? Aerobody Kit, the ROUSH Quarter Window Louvers are made from high-strength TPO (Thermal Plastic Olefin) for long lasting durability, and is made... Add to Cart Add to Cart