I did some research on the fender protectors and some of the guys in the southern states whose bikes were in the sun a lot were seeing the 3M protectors yellowing after several years, but they said the Clearshield product did not yellow. I found a local window tinter that worked with Clearshield and he charged me $50 to do my entire rear fender. After many attempts he was only able to cover the area of the fender that the suction cups came into contact with. Even got a few scratches from him scoring the Clearshield with a razor and a chip in the paint that mysteriously showed up. The scratches were wet sanded and buffed and came out about 80%. Needless to say it was a nightmare to have my fender protector put on.