Banks 42750|42571 High Ram Intake Manifold KitAn intercooler increases air density, allowing your engine to produce more power. So you wouldn't want to restrict the flow of air exiting the intercooler, right? Unfortunately, that's exactly what the stock piece does. Cramped and angular the factory inlet is compared to Banks' larger, streamlined cast-metal High-Ram. Banks' High-Ram intake flows air much more efficiently, providing greater boost without the drawback of raising turbine pressure. In flow tests, the Ram-Air Intake delivers up to a 64% reduction in pressure loss. You'll enjoy improved acceleration better fuel economy! Includes a 3-1/2" constant-diameter boost tube to flow the air from the intercooler without restriction. 5-Year Ltd. Warranty.