Banks Ram-Air Superiority. Flowbench developed, dyno proven cold-air intake increases power and fuel economy. Reduces exhaust gas temps. Testing, testing and more testing. Banks Ram-Air Intake Systems are tested and proven. They start out as CAD software prototypes and are put through flow simulations. After a hardware prototype is made, it's tested on a flowbench. Then it's tested on the vehicle. And finally, Banks density-tests the Ram-Air against stock and many competitors. Proven design. Proven performance. Banks Ram-Air Intake maximizes the flow of cool, dense air to the engine for greater power and fuel economy. It's all about density. And Banks Ram-Air Intakes deliver. The harder you work your engine, the more Banks Ram-Air Intake improves power and fuel economy! Ram-Air Cold-Air Intake System, Oiled Filter for use with JD/OK/Ford 460 Class A Motorhome, EFI (Electronic Fuel Injection) Key Features: Enclosed housing keeps out hot, power-robbing engine air Inhales cooler outside air for more power and MPG Extends service life and requires fewer cleanings Giant filter maximizes high-flow filtration Accommodates engine movement Extensively tested and validated Prevents component damage 5-year Limited Warranty Helps engine run cooler OILED Air Filter Element 50 State Compliant CARB E.O. D-161-112