The Large Bore-HD DPF-Back exhaust is engineered to perform in the most extreme environments. This system is constructed from 4" mandrel bent 409 stainless steel tubing for 126% more flow, an increase of 18 horsepower, 51 lbs. x ft. of torque and reduced EGT's. This system is finished off with 6" 304 stainless steel intercooled polished tip. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.
Installation is a Snap:
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 degree sealing surface.
A muffler delete-pipe is used for a true race-inspired sound and maximum flow.
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:
Large Bore-HD exhaust systems are constructed of 4" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
6" Polished Tip:
Finishing off the exhaust is a high luster, polished 304 stainless steel slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. This tip also features a drain port on the bottom to keep rust and corrosion away.
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
Year Make Model SubModel Engine Fuel 2007-2010 Chevrolet Silverado HD Turbo Diesel LMM V8 6.6L Diesel 2007-2007 GMC Sierra HD Turbo Diesel LMM V8 6.6L Diesel 2008-2010 GMC Sierra HD Turbo Diesel (LMM) V8 6.6L Diesel
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