Bought a Power Bronze front fender extender and want to install it without using the screws that it came with. Want to avoid drilling into the front fender. Thinking about using JB Weld to bond it to the fender. Anyone do it this way? Any tips? The extender is shiny plastic. Wondering if I have to rough up the plastic to get a good bond? What would I use, sandpaper? Clamp it after? Thanks.

 

If anything use a plastic epoxy make specifically for plastics, and always rough up both surfaces.

But with all the vibrations and the location of a fender extender, i'd definitely use the screws.
Imagine it breaking lose and getting sucked into the front forks.

 

Rivets also work.