2004.5-2005 GM Duramax 2500 / 3500 Diesel 6.6 , GM Duramax 6.6 LLY Turbo Inlet Manifold (Black) S&B 76-1006B
Improves throttle response.
Larger internal diameter (for both inlet and outlet). Smooth unrestricted flow designed using Computational Fluid Dynamics flow simulation software. Lower EGTs. Fits any intake that utilizes the stock location.