2015 Mustang Ecoboost 304 stainless steel 2.5" catback with retro chambered mufflers and mirror-polished stainless steel slash-cut conical double-wall tips. Includes hangers and clamps and is designed to mate to the SW Ecoboost Mustang downpipe. Includes hangers and clamps; superior performance with a lifetime guarantee. Choose your fit: Factory Connect (to mate to factory downpipe) or Performance Connect (to pair with Stainless Works downpipe for optimum sound and performance).Learn More