Best Intake Horn for 12 Valve Cummins
When I started modifying my 12-valve Cummins, one of the first things I noticed was how restrictive the factory setup was, especially the small, inefficient stock intake horn. Swapping out…
When I started modifying my 12-valve Cummins, one of the first things I noticed was how restrictive the factory setup was, especially the small, inefficient stock intake horn. Swapping out…