Banks Power 11-14 Ford F-150 5.0L Ram-Air Intake SystemMore power and better mileage. Beats stock and the competition. Up to 53. 4% less restrictive than stock. Banks opens up your truck's breathing with a flowbench developed and dyno proven Ram Air Intake System that is 53. 4% less restrictive than stock on the 5. 0L at 600 CFM. Ram Air's 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