K&N Performance Air Intake Kit 71-1561 with Black Dry Filter for Dodge Ram Pickup Truck 1500 2500 5.7L V8 Air Filter Outlet Shape - Round Clamp Material - Stainless Steel/ Clamp Style	- Regular Estimated horsepower gain of 7.17 HP at 4643 RPM Dry synthetic air filter Easy to install, usually in 90 minutes or less Washable and reusable K&N Million mile limited warranty