Quote Originally Posted by SyntheticShield View Post
So how does one go about 'de-ribbing' the bumpers?
Sand the bumper down where the ribs are. Use a fiberglass body filler to fill in the ribs, sand down, use spot putty where needed and whala. You can also you any flexible bumper filler. As long as it allows flex, youre set. Dont wanna use just any body filler.