Fits: 2016 Chevrolet Silverado 2500 HD 2016 Chevrolet Silverado 3500 HD 2016 GMC Sierra 2500 HD 2016 GMC Sierra 3500 HD aFe49-04081-BDPF BackInterested 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" diame ter, 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.Engineered to perform in the most extreme environments, aFe Atlas exhaust systems are constructed from mandrel-bent aluminized steel tubing with high-quality band clamps and OE-style bayonet hangers. Where applicable, free-flowing aluminized steel mufflers are used to absorb high-pitch tones producing a powerful sound and unleashing more horsepower and torque out of your rig. Atlas systems use factory mounting locations to provide a quick, hassle-free installation. Also included with some of these diesel exhausts are wrinkle-black powdercoated or polished 304 stainless steel tips with laser-cut stainless steel aFe badges. aFe Atlas exhaust systems are a tremendous combination of performance, fit, and value. Features include: * Leak-free 360 degree sealing * Stable pipe location in high-vibration and high-heat conditions * Bayonet tips hold hanger bushings in place for an OE-style fit * Large diameter tubing provides maximum flow * Smooth bends for low turbulence, increased horsepower and torque, and lower exhaust gas temperatures (EGTs) * Slash-cut tips with intercooling vents reduce EGTs at the tailpipe (some applications) * Available in a variety of configurations (varies by model) * Select systems include dual outlets and exhaust tips * Most do NOT fit cab and chassis models * Some models require tailpipe hanger modifications Notes: * Many of these are "Race Only" products solely for competition use. Their use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state, and federal laws. * Select aFe Atlas exhaust systems may also require an aftermarket electronic module to work properly.