Flowmaster's American Thunder Cat-back exhaust system for all 2015-2020 Dodge Charger SE, SXT, GT & 2015-2020 Chrysler 300S with 3.6L engines is perfect for the person looking for an aggressive exterior sound while maintaining a moderate interior sound level. This bolt-on 409S stainless steel system features dual 2.50 in. mandrel-bent tubing flowing into our exclusive Scavenger X-pipe for maximum performance and a unique deep tone. A pair of Super 44 performance mufflers are paired with a set of specially-tuned resonators to keep the interior drone down to a minimum. The system is then finished off with 2.50 in. stainless steel tips that exit within the factory rear bumper valence. Includes all necessary parts, hardware and easy to follow installation instructions for a hassle-free install.