Banks Ram-Air Superiority. Banks opens up your truck's breathing with a flowbench-developed and dyno-proven Ram-Air Intake System that is 53.4 percent less restrictive than stock on the 5.0L at 600 CFM. Ram-Air's lifetime filter has a huge outlet with deep filter pleats that maximize flow and a complete air filter housing that draws in cooler, denser air to the engine for greater power and fuel economy. The Banks Ram-Air utilizes the stock base. It's an easy, hassle-free fit that ensures a secure connection and no disruption to air flow. Extensively tested and validated Enclosed housing keeps out hot, power-robbing engine air Inhales cooler outside air for more power and MPG Giant filter maximizes high-flow filtration Helps engine run cooler Accommodates engine movement Prevents component damage Extends service life and requires fewer cleanings 5-year Limited Warranty (Filter: Lifetime Limited Warranty) More power and better mileage Beats stock and the competition! 53.4 percent less restrictive than stock Oiled Air Filter Element Emissions compliant: CARB EO D-161-99 Ram-Air Cold-Air Intake System, Oiled Filter for use with 2011-2014 Ford F-150, 5.0L