Improve the sound and performance on your 2015-2021 Dodge Challenger with this Rear Resonator Delete system from Stainless Works. This system is designed to connect right behind the OEM Active Exhaust Valves for an easy, clean installation with our included clamps and bolts. Just follow our included installation instructions. System includes a full 3” muffler delete pipe, to give you the full mandrel-bent Stainless Works experience from the OEM valves and back. Experience your ride without restrictions on power or flow. This is a quad tip exhaust, exiting at the stock location through our 4" slash cut conical double wall tips with a mirror-polished stainless finish. This system is built from corrosion resistant 304 stainless steel and TIG welded at our state of the art facility in Streetsboro, Ohio. As always, we stand by our products with a lifetime warranty on materials and craftsmanship. Features: Factory Connect for Easy Installation Resonator Delete Pipe Quad Polished 4" Tips Smooth Mandrel Bends Optimize Exhaust Flow Fully TIG Welded For Strength And Beauty