K&N Performance Cold Air Intake Kit 57-2583 with Lifetime Filter for 2011-2014 Ford F150 3.5L V6 Turbo Ecoboost Guaranteed to increase horsepower Designed to improve throttle response and engine sound Replaces entire factory air intake system Easy to install, usually in 90 minutes or less Lasts up to 100,000 miles before service is required (depending on driving conditions)