K&amp;N Performance Cold Air Intake Kit 57-3058 with Lifetime Filter for 2007-2008 Chevrolet GMC Cadillac 4.8L<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Estimated horsepower gain of 17.55 HP at 4917 RPM </span></li><li><span class="a-list-item"> Designed to improve throttle response and engine sound </span></li><li><span class="a-list-item"> Lasts up to 100，000 miles before service is required (depending on driving conditions) </span></li><li><span class="a-list-item"> Replaces entire factory air intake system </span></li><li><span class="a-list-item"> Easy to install， usually in 90 minutes or less </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31rztefEzLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RYkk4I4FL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/7128yvtheHS.png" noproxy>