K&amp;N Performance Air Intake Kit 57-2581 with Lifetime Red Oiled Filter for 2011-2014 Ford F150 5.0L V8<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Guaranteed to Increase Horsepower</li><li>Designed to improve throttle response and engine sound</li><li>Lasts up to 100，000 miles before service is required (depending on driving conditions)</li><li>Replaces entire factory air intake system</li><li>Free-flowing high density polyethylene tube</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41MC4qYhiGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/7128yvtheHS.png" noproxy>