aFe Rebel Series axle - back exhaust system complements your Jeep JL on and off - road. Mandrel bent 409 stainless steel tubing and free - flow muffler delivers increased exhaust flow, performance and tuned sound. MIG welded for durability the system uses factory mounting locations for an OE - style fit and stays put under any driving condition. Dual 4 - 12 black powder coated stainless steel tips with aFe POWER logos makes this system look as good as it performs. A free - flowing, stainless steel, muffler is used to absorb high pitch tones producing a powerful sound and unleashing more horsepower and torque potential. OE - style bayonet hangers are used to maintain a stable pipe location during any driving conditions. The bayonet tip holds the hanger bushing in place for an OE style, long lasting fit.