aFe 2.5in SS Cat-Back Exhaust w/ Black Tip | Jeep Wrangler JL (18-20) (49-38073-B)Rebel Series 304 SS Cat Back Exhaust System with Quad Rear Exit (49 38073 B) by aFe. Features a custom designed tip brace with aFe Power logo. Exhaust System Type: Cat Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2. 5". Exhaust System Sound: Aggressive Loud. aFe power introduces an all new Rebel Series exhaust system. This Rebel Series cat back is designed with dual intercooled exhaust tips that exit in front of the rear passenger tire