ROUSH's Mustang Quarter Window Louvers give your car a true retro muscle car look. This louver kit fits 2005 - 2014 Mustang Coupes and is easy to install. The ROUSH Quarter Window Louver Kit is made from high - strength TPO (thermal plastic olefin) for long lasting durability, and is made in the U.S.A. at ROUSH's own plastics manufacturing facility. The plastic is molded with high - pressure injection, the same process used by the automotive manufactures. This kit is designed around original manufacturer CAD data for optimum quality and fit. As a result, installation is quick and easy. There is no time consuming trimming or sanding required as there is with our competitors' body kits, and high - quality adhesive tape for quick and easy installation is included. The ROUSH Quarter Window Louver Kit is available unpainted.