FlowFX Cat-Back Exhaust System2017-2019 Fits Nissan Titan 5.6L (Except XD Models)3 in. Tubing4.500 in. Black Ceramic TipSingle Passenger Side ExitFlow FX Series MufflerScavenger Y-Pipe Fits 2017-2021 Nissan Titan with 5.6L Engine, All Wheelbases, 2 or 4 Wheel Drive, DOES NOT FIT XD MODELS