The Banks 42145 Ram-Air Cold Air Intake is the perfect way to get more power and better gas mileage out of your 2003-2007 5.9 Cummins. This exclusive cold air intake has a 4-1/2 inch bellows to accommodate engine movement and prevent component damage, allowing for cooler temps, less smoke, and more MPG. The giant filter maximizes high-flow filtration and helps the engine run cooler, while the enclosed housing keeps out hot air for even more power and better gas mileage. Don't miss out on this great opportunity to get more out of your Cummins – order your Banks 42145 Ram-Air Cold Air Intake today!