Feature●Fits 2008-2014 Dodge Challenger R/T 5.7L V8s●Includes X-pipe, tailpipes, stainless clamps, hangers, insulators, double box tips & StreetPro mufflers●Powder coated black stainless steel tips●No cutting or welding is required to install onto applicable vehicles●Increases horsepower by 10-18 & adds the StreetPro sound to your exhaustDescription Cat-back exhaust system for the Challenger R/T 5.7L. StreetPro mufflers & black tips featured.