Long Tube Headers:
4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.
3/8" Laser-Cut Flanges:
These headers come with 3/8" thick laser-cut head flanges and gaskets that are designed to match the head port for a leak-free seal.
Dual High Flow Catalytic Converters:
This system utilizes 400 CPSI (cell per square inch) catalytic converters are used for maximum flow.
Constructed of mandrel-bent dual 3" stainless steel piping which transitions into single 3-1/2" piping to reduce back pressure and improve flow.
True Merge Collectors:
Eliminates dead space that can cause turbulence and hinder flow.
High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.
The performance header and y-pipe are designed to fit in the stock location incorporating the OE hangers, flanges and O2 sensor locations.
Note: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2009-2013 Chevrolet Silverado V8 4.8L Gas 2009-2013 Chevrolet Silverado V8 5.3L Gas 2009-2013 GMC Sierra V8 4.8L Gas 2009-2013 GMC Sierra V8 5.3L Gas
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