Extra Ground Clearance. RedRock 4x4s High Clearance Cat-Back Exhaust System is the ideal upgrade for 2018-2021 4-door JL owners who are looking to improve the power, performance and ground clearance of their 3.6L V6 Wrangler. Perfect for extreme trail adventures, this Cat-Back features a hi-tuck design that provides increased ground clearance, while allowing additional clearance for most aftermarket suspension kits.Stainless Steel Construction. RedRock 4x4 manufactures its High Clearance Cat-Back from mandrel bent, 2.5-inch diameter, stainless steel tubing for durability and corrosion resistance. This Cat-Back exhaust system features a straight through muffler that ends with a slant cut exhaust tip for impressive good looks and sound.Direct Bolt-On Installation. RedRock 4x4 engineered its Cat-Back Exhaust to be a direct upgrade replacement for your Wranglers factory exhaust. This Cat-Back Exhaust Kit easily bolts up in the stock location with no cutting, drilling or modifications required for a straight forward install that can be completed in about 2 hours.Application. This RedRock 4x4 High Clearance Cat-Back Exhaust is specifically designed to fit 2018-2021 4-Door Wrangler JL models equipped with the 3.6L V6 engine.