we have a 08 edge fwd it had 10,000 on it when we got it and up till few weeks ago did best of 16 round town with the paper filter at 17,000 dad put in the k&n and on first full fill up since install got 22.7 round town k&n is not a joke like many think i have seen them work in a good many vehicles dad put one in his 97 f150 4.6 it was gittin 10-12 round town now gits 16-17 at best