Pypes Jeep JK High Clearance Exhaust Catback System Features: Stainless steel construction resists corrosion Delivers the ultimate in sound and performance Provides extra punch in the passing lane Ensures maximum exhaust gas flow which significantly boost HP Installation at home without special tools Mandrel-bent, all-welded, and built to last Includes M-80 mufflers and a downturn tailpipe Pypes Jeep JK Exhaust vs Noise Issue with your Factory Exhaust Your factory Jeep JK exhaust system may not be able to clear the obstacles you come in contact with in rock crawling situations. Even worse, it will not produce the aggressive sounds that will make your other off-road enthusiast friends take you seriously.