This Flowmaster® Outlaw Cat-back exhaust system is designed for all 2018-2020 Jeep Wrangler JL 2 & 4-door models with the 3.6L engine and is perfect for the person looking for an aggressive exterior and interior exhaust tone, along with the performance benefits of a free-flowing exhaust system. This bolt-on emissions-legal system features 2.50 in. mandrel-bent stainless steel tubing, a specially tuned resonator to reduce interior resonance, along with an optional resonator delete pipe if you want an even more of an aggressive sound. Other features include a race-proven Outlaw® Series muffler with dual 2.5 in. mandrel-bent tailpipes finished off with a large pair of 4.00 in. black ceramic coated stainless steel tips for an aggressive modern look. The system is designed for an easy fit using the factory hanger locations and includes all necessary parts and hardware for installation.