The Banks Big Hoss is for the serious Performance Customer. This manifold is NOT a bolt on and go set up. There are several major engine components that must be relocated and/or modified to accommodate the intake system. such as; the turbo, EGR valve, fuel and coolant components, alternator, AC compressor and engine fan. Also, this system was designed to operate with a custom twin turbo set up. With the proper tuning this will be the most powerful and proven kit for your Duramax.
A 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 plumbing and hardware, Boost air inlet nipple fittings. For use at sanctioned racing events only.
Includes:
•Twin plenum manifolds and mounting hardware
•Fuel system relocation plumbing and hardware
•Boost air inlet nipple fittings

Features:

•Enhances power, mileage and durability
•5-year Warranty
•Larger & less restrictive than stock
•Provides tremendous flow and uniform air distribution
•Part of the Banks Racing line
•The only purpose-built cast manifolds created for a Duramax
•Fits 2001-15 GM 6.6L (LB7/LML require modifications)
•For use at sanctioned racing events only