"This Flowmaster® American Thunder® direct-fit muffler fits all 2009-2024* (*Classic body) RAM 1500 trucks equipped with the 5.7L Hemi and factory dual tailpipes. Features include full stainless steel construction, a 3.00-inch mandrel-bent inlet pipe flowing into a 50 Series HD™ muffler with large 4.00-inch internals and a built-in resonator helping keep the interior sound down to a minimum, while still delivering a deep moderate aggressive tone outside the vehicle. The system attaches to the factory hanger locations and includes all necessary hardware for a quick and easy installation that you can do at home. Covered by our Lifetime Limited Warranty.