Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless 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" wrinkle-black powder-coated 304 stainless steel tip with a laser-cut stainless steel aFe power badge. Large Bore-HD 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 Large Bore-HD 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. 6" Diameter Polished Intercooled Tip: Finishing off the exhaust is a 6" diameter, high luster polished, 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.

This Part Fits:

Year	Make	Model	Submodel
2016	Chevrolet	Silverado 2500 HD	High Country
2016	Chevrolet	Silverado 2500 HD	LT
2016	Chevrolet	Silverado 2500 HD	LTZ
2016	Chevrolet	Silverado 2500 HD	WT
2016	Chevrolet	Silverado 3500 HD	High Country
2016	Chevrolet	Silverado 3500 HD	LT
2016	Chevrolet	Silverado 3500 HD	LTZ
2016	Chevrolet	Silverado 3500 HD	WT
2016	GMC	Sierra 2500 HD	Base
2016	GMC	Sierra 2500 HD	Denali
2016	GMC	Sierra 2500 HD	SLE
2016	GMC	Sierra 2500 HD	SLT
2016	GMC	Sierra 3500 HD	Base
2016	GMC	Sierra 3500 HD	Denali
2016	GMC	Sierra 3500 HD	SLE
2016	GMC	Sierra 3500 HD	SLT