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.Installation InstructionsThis 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
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