aFe Rebel XD Series XP 4" Exhaust Kit, DPF-Back, Stainless for GM Duramax 2017-2019 6.6L L5P
This Rebel XD Series exhaust system is constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. This kit uses OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Finishing off the exhaust are dual 5" diameter, high luster polished, stainless steel straight cut tips with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut black powder-coated aFe Power logo plate is riveted on for an aggressive style This aFe Rebel XD Series XP 4" DPF back Exhaust Kit is designed to fit a 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 with a 6.6L L5P Duramax engine. Note: Cutting stock exhaust is required.