The K&N 67-1516 muffler delete kit replaces the restrictive factory muffler and exhaust pipe on 2018-2019 Jeep Wrangler JL 3.6L models, and is engineered to increase performance, deliver robust sound, and install quickly and easily. Enjoy industry-leading quality paired with a simple and clean appearance. The 63-1516 system maintains clearance to critical systems, and typically installs in less than 60 minutes using factory mounting points (no cutting or welding necessary). The system pairs with most aftermarket modifications, including intake systems, throttle control modules, and more. No calibration tuning is required, and complete instructions are included.