aFe Power Diesel DPF-Back Exhaust System for GMC Sierra 3500 HD Duramax 2011 - 2016

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 7" 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 OE-style flange and band clamps are used 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 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.Massive 7" Black Tip:Finishing off the exhaust is a powder-coated black 304 stainless steel exhaust tip. This tip features a drain port on the bottom to keep rust and corrosion away. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style.Fitment Note: This item does not fit 2016 3500HD models equipped with NOX SensorEmissions Disclaimer: This product does not require a CARB EO# All aFe exhaust systems are engineered and manufactured in our Corona, California facility.