Stainless Works Coupe Catback Dual Turbo Chambered Mufflers Factory Connect2009 15 Stainless Works, Cadillac CTS V Coupe 3" exhaust system. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. For use with factory manifolds, includes X Pipe, Dual Chambered Turbo mufflers, 4" slash cut conical double wall tips. Fits factory connection point. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.