The MagnaFlow Jeep Wrangler 392 Street Series Cat-Back Performance Exhaust System #19598 brings the latest evolution in exhaust sound and dyno-proven performance to your already capable 2021+Jeep Wrangler 392. The 3in. main tubing of exhaust kit #19598 flows through dual free flowing straight through mufflers and NDT (No Drone Technology) resonators before terminating in a quad rear exit with 4in. black chrome tips. #19598 is tuned to produce a powerful; resonant performance exhaust tone while maintaining moderate interior sound levels. The integrated NDT technology keeps unwanted droning noises in check at lower engine speeds such as when cruising on the highway. This Jeep Wrangler 392 exhaust system is made of durable; corrosion resistant stainless steel and is produced using advanced CNC precision robotic manufacturing techniques that enable #19598 to feature a direct-fit design that you can install yourself. MagnaFlow stands by this performance exhaust kit with our 1-year finish warranty and limited lifetime construction warranty.