Reviewed By Rick T (Amarillo, TX) Reviewed for a 1999 GMC Sierra —8/7/2007 4:52 PM
As advertised, my mileage and horsepower improved. My pickup is pretty quick, but after installing my K&N filter, I noticed quite a bit of difference. I think eventually that I will put one of your cold air kits on this pickup. I am very happy with my purchase. Recommend everyone try one.