Not sure which 2008 GMC Sierra Air Filters are right for you? We have over 12273 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:
"I put one of these in my 93 Nissan truck that has alot of miles on it.It picked up the power and mileage.I put one in my new GMC seirra even thou it has only 500 miles in it.I could "FEEL" it breathe better and mpg went up alittle.Highly recommend these filters.Buy once-clean as per needed-enjoy the difference.Great Filter!!! Enjoy!!" —Neil H from Kinston, NC bought a K&N Air Filters for a 2008 GMC Sierra.