Increased exhaust flow means improved torque, horsepower and lower EGT’s. That’s why your Duramax diesel needs the Saturn 40SS down-pipe back exhaust system by aFe Power. This exhaust is built from 4" mandrel-bent 409 stainless steel tubing and includes a muffler-delete pipe for optimum flow and a race-inspired, aggressive sound. This system does not include a tip. Saturn 40SS exhaust systems are the perfect combination of performance, fit and value.
Installation is a Snap:
This Saturn 40SS exhaust system includes an extension pipe to fit multiple cab configuration and uses factory mounting locations, providing stability and hassle-free installation.
Quality OE style flange and band clamps are used for a complete 360 degree sealing surface.
A muffler delete-pipe is used in place of the muffler for a true race-inspired sound and maximum flow unleashing all available torque and horsepower from your rig.
OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip locks into the hanger bushing for an OE style fit that does not change with time.
Flow and Performance:
Constructed of 4" mandrel bent 409 stainless steel tubing for longevity, the smooth transition bends result in increased exhaust flow and lower EGT's for improved throttle response and overall sound and performance.
Extended Cab/Short Bed, 6.6 ft. Bed, 143.5" Wheelbase
Crew Cab/Short Bed, 6.6 ft. Bed, 153" Wheelbase
Extended Cab/Long Bed, 8 ft. Bed, 157.5 Wheelbase
Crew Cab/Long Bed, 8 ft. Bed, 167.1" Wheelbase
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2002-2004 Chevrolet Silverado 2500 HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel 2002-2004 Chevrolet Silverado 3500 HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel 2002-2004 GMC Sierra 2500 HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel 2002-2004 GMC Sierra 3500 HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel
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