| SmallMouth Model For your Ford diesel performance needs this CFM+ model offers a 40% increase in air flow over your current stock intake manifold. It also offers the coolest air to your engine due to the engineered composite material its made from that transfers heat 900 times less than aluminum. The opening on this model is the standard 3" diameter. This model will bolt right on with no need to change hoses or pipes. Lower EGTs, higher performance, and better fuel economy, places this intake manifold ahead of the competition in today's growing diesel performance market. LargeMouth Model This CFM+ intake model offers about 100 cfm more than our SmallMouth model which supplies 40% more air than the stock intake manifold. Purchase it separately to replace your current large opening aftermarket intake, or purchase it as a kit complete with new hoses, clamps and a custom bent steel pipe reduced on one end to fit your stock intercooler. The opening on this model is a large 3 1/2" diameter and is made from the same material as all the quality CFM+ intakes, which allow for the coolest flowing air as well. Lower EGTs, higher performance, and better fuel economy, places this intake manifold ahead of the competition in today's growing diesel performance market.  Pipe and Hose Kit. | Available Options: | | (1) Ford Intake Manifold: | | | (2) Pipe and Hoses: | | | (3) LargeMouth or SmallMouth: | | | (4) With or Without Ports: | | | (5) Hose Color: | | | (6) Select Manifold Color: | | |