3m has wo undercoatings one of them will not really set up like well kind of like mar hide so make sure u nget the right one the pros use rockershuts or rockergard u can get it at a paint store u have to buy a 10$ gun to spray it and u have to have air supply but u can even paint it body color if u want and it will hold up for years they use rockershuts on jags and other highend cars on the rockerpanels and high road wear areas
