aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Black Tips

Engineered to perform in the most extreme environments. Constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque and lower EGTS. All systems use factory mounting locations providing stability and hassle free installation. High quality OE style flange and band clamps are used for a complete 360 deg. sealing surface. A free flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe locations 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.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2015-2016	Chevrolet	Silverado 2500 HD	High Country
2011-2016	Chevrolet	Silverado 2500 HD	LT
2011-2016	Chevrolet	Silverado 2500 HD	LTZ
2011-2016	Chevrolet	Silverado 2500 HD	WT
2015-2016	Chevrolet	Silverado 3500 HD	High Country
2011-2016	Chevrolet	Silverado 3500 HD	LT
2011-2016	Chevrolet	Silverado 3500 HD	LTZ
2011-2016	Chevrolet	Silverado 3500 HD	WT
2015-2016	GMC	Sierra 2500 HD	Base
2011-2016	GMC	Sierra 2500 HD	Denali
2011-2016	GMC	Sierra 2500 HD	SLE
2011-2016	GMC	Sierra 2500 HD	SLT
2011-2014	GMC	Sierra 2500 HD	WT
2015-2016	GMC	Sierra 3500 HD	Base
2011-2016	GMC	Sierra 3500 HD	Denali
2011-2016	GMC	Sierra 3500 HD	SLE
2011-2016	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT