Reviewed By Jere H (Commerce Township, MI) Reviewed for a 1990 Buick Riviera —1/18/2006 7:03 AM
I haven't bought an air filter for six years for my wife's dailey driver. Once a year it gets re-charged, and we're one our way. On the Road / Trip mileage on the 1990 Buick Riviera averages 28 MPG. Time/Money/Performance--it WORKS for me !