09-30-2012, 12:45 PM
I just changed air fliter 26000 miles ProDriver was advering 5.69 mpg, It now is reading 7.04 mpg.I ran 800+ miles and got 7.12mpg. 26000 miles is to many miles. I am going to buy a K&N and clean it every 10000 miles. 1998 Series 60.