Fits: 2018–2023 Jeep Wrangler aFe49-48074CatbackThis durable, purpose-built, cat-back exhaust system for the Jeep Wrangler JL 2 door improves clearance over rough terrain for the adventurist who wants it all. Large, 3" mandrel-bent 409 stainless steel tubing outflows the restrictive factory exhaust to deliver gains of up to +9 horsepower and +8 lbs. x ft. of torque, as measured on our in-house dyno. The free-flowing muffler delivers a powerful, performance tone while the ROCK BASHER'S shortened pre-axle turndown tip handles off-road obstacles. This system utilizes factory mounts for a quick and simple install.The aFe Rock Basher exhaust systems are durable, purpose-built cat-backs for the 2018 Jeep Wrangler JL. They improve clearance over rough terrain for the adventurist who wants it all. The large 3 in. mandrel-bent 409 stainless steel tubing outflows restrictive factory exhausts, delivering gains of up to 9 hp and 8 lbs.-ft. of torque, as measured on aFe's in-house dyno. The free-flowing muffler delivers a power performance tone, while the Rock Basher's unique pre-axle turn-down tip handles off-road obstacles. These exhaust systems utilize factory mounts for a quick and easy install.