Stainless Works Wagon Catback Dual Turbo S-Tube Mufflers Factory Connect2009 15 Stainless Works, Cadillac CTS V wagon 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 S Tube Turbo mufflers, 3. 5" 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.