aFe Power now offers a fully 5" Large Bore-HD exhaust race system for the 07.5-10 GM Diesel Trucks V8-6.6L Duramax. This race down-pipe back is now completely 5" from the factory down-pipe to the tip. Designed to outflow the factory exhaust by 300cfm this exhaust is constructed from durable 5" mandrel bent 409 stainless steel. Incorporating bayonet style hangers and band clamps for a hassle-free installation. All Large Bore-HD exhaust systems come with all the necessary hardware for a clean and simple installation comes with an aggressive black 304 SS tip.
Installation is a Snap:
Large Bore-HD exhaust systems utilize a 2-piece tailpipe design for a perfect fit by allowing adjustability at the tailpipe section. 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 free-flowing 24" 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 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:
Completely 5" from the factory down-pipe to the tip this 409 stainless steel mandrel bent tubing is engineered for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2007-2010 Chevrolet Silverado 2500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 GMC Sierra 2500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 Chevrolet Silverado 3500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 GMC Sierra 3500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel
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