Banks Power 01-15 Chevrolet 2500/3500 Duramax 6.6L Big Hoss Manifold Boost Tube - Natural FinishA Banks Racing product proven in the Banks Duramax Sidewinder S 10 diesel drag truck, the Big Hoss Intake Manifolds are the only purpose built manifolds created for a Duramax. Big Hoss replaces the factory's crude clamshell intake with a tuned 16 port manifold assembly that provides tremendous flow and uniform air distribution for more available power at a given boost level. Includes: Twin plenum manifolds and mounting hardware Fuel system relocation