aFe POWER Rebel XD Series 4-inch DPF-back exhaust for 2017–2025 Ford diesel trucks with the 6.7L Powerstroke uses 409 stainless mandrel-bent tubing and MIG welds to improve flow, lower EGTs and increase horsepower and torque. The system uses factory mounting locations and OE-style bayonet hangers for a fit that retains stable pipe positioning and includes dual polished 5" tips and band-clamp hardware.
aFe Rebel XD 4in SS Down-Pipe Back Exhaust w/Dual Polished Tips 17-18 Ford Diesel Trucks V8-6.7L(td)