K&amp;N Performance Cold Air Intake Kit 57-2546-1 with Lifetime Filter for 2003-2007 ford F250/F350/F450/F550 6.0L V8 Power Stroke Diesel<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Estimated horsepower gain of 15.53 HP at 3426 RPM</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>Easy to install， usually in 90 minutes or less</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41FEDpQcp6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41htEQ9uFxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Gg3gahI1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WEBoL24IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/7128yvtheHS.png" noproxy><img src="http://ecx.images-amazon.com/images/I/01G2aSYe7yS.png" noproxy>