Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5 mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations to provide a quick, hassle-free installation. Also included in this exhaust system is a massive 6 diameter, wrinkle-black powder-coated 304 stainless steel tip with a laser-cut stainless steel aFe power badge. ATLAS exhaust systems are the perfect combination of performance, fit and value. Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are included for a complete 360 degree sealing surface. OE Fit: 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. Flow and Performance: This ATLAS exhaust system is constructed of 5 mandrel-bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. 6 Diameter Black Intercooled Tip: Finishing off the exhaust is a 6 diameter, black, stainless steel slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style. Product Features:Mandrel Bent Tubing For Maximum FlowUtilizes Factory Mounting LocationsQuick Hassle Free InstallationMassive Intercooled Tip w/Laser Cut aFe Power Badge