Flowmaster's Force II Cat-Back exhaust system for the 2011-2018 Dodge Durango R/T is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for the 5.7L Hemi engine features tuned resonators, a Scavenger X-Pipe, two 60 series mufflers, mandrel bent 2.50" stainless steel tubing, and 4.00" diameter polished 304S stainless steel embossed logo tips. This exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.