K&amp;N Performance Cold Air Intake Kit 63-9036 with Lifetime Filter for Toyota Tundra 5.7L V8<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Estimated horsepower gain of 9.25 HP at 5497 RPM</li><li>Designed to improve throttle response and engine sound</li><li>Easy to install， usually in 90 minutes or less</li><li>Replaces entire factory air intake system</li><li>Not legal for highway use in states adopting California emission regulations</li></ul></div><img src="http://ecx.images-amazon.com/images/I/315%2B3CvHiIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413fjJGaYlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Kv%2B0s09OL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315%2B3CvHiIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413fjJGaYlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51gFHhmD3mL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/7128yvtheHS.png" noproxy>