K&N 63 Series AirCharger High-Flow Intake Kit Reviews
Reviewed By Brandon L (Mount Pleasant, SC) Reviewed for a
2015GMC Yukon XL—10/14/2014 3:26 AM
Product showed up quick and has definitely help the engine on this large suv. I have seen and increase of 2mpg in city, but have not taken it on the highway yet. The instructions could be better, but overall I'm very pleased.