I've used Kleen Wheels for 16 years and haven't had a problem.They have small vents in the covers that allow some air (&dust!) movement I get about 25,000 out of pads and about 50,000 from the rotors. I know other people who also use Kleen Wheels with no problems. Just don't go racing with them on. I think that it's best to stay with OEM pads and rotors, though. NOW,Here come the comments-
