A true 5" from the down-pipe back, the new Large Bore-HD exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 5” stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. The 2-piece tailpipe and bayonet style hangers provide a hassle-free installation. To provide a leak-free seal, OE style band clamps are used that offer a 360? sealing area. A 12" free-flowing straight-through designed muffler is used to produce a deep, powerful sound.
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 band clamps are used for a complete 360? sealing surface.
A free-flowing 30" 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:
Large Bore-HD exhaust systems are constructed of mandrel bent 5" stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
Note: This is a "Race Only" product used solely for competition. 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. Visit http://afepower.com/DPF/release.pdf for the release of liability form.
*This kit will only fit 2015 models manufactured before July 2014 equipped with a non-flanged down pipe.
Year Make Model SubModel Engine Fuel 2011-2015 Chevrolet Silverado HD LML Duramax (Turbo Diesel) V8 6.6L Diesel 2011-2015 GMC Sierra HD LML Duramax (Turbo Diesel) V8 6.6L Diesel
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