aFe Rebel Series 2-1/2 SS Cat-Back Exhaust | Nissan Titan V8 5.6L (16-17) (49-46126-P)Rebel Series 409 SS Cat Back Exhaust System with Dual Side Exit (49 46126 P) by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 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 for a unique, aggressive look. The tips come with unique