Not sure which 2008 GMC Yukon XL Air Intake Systems are right for you? We have over 20796 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"They wern't lyin. i could feel the increase in performance right away. Probably have to get a new right rear tire soon. Too early to tell about MPG, but any increase is o.k with me. I am reccomending this product to anyone who will listen." —Brian H from Merrill , WI bought a K&N 57 Series FIPK Air Intake (Fuel Injection Performance Kit) for a 2008 GMC Yukon XL, New body style, 5.4L V8.