Reviewed By Dallas S (OAK GROVE, MO) Reviewed for a 2010 Ford Focus —4/14/2014 8:16 PM
Within two weeks my average MPG has gone from 29.3 to 29.9! I expect it will go up another tenth or two. The old paper filter was only 3 months old and driving habits have not changed. It will completely pay for itself by the end of week three.