(Our Civic bumper is made of polypropylene ... Then finish sand with wet 400-grit paper. Sand and contour plastic body filler with 80- and 120-grit, then finish with 400-grit waterproof sandpaper ...

Plastic bumper covers are cheaper and easier to manufacture ... See All 17 Photos The filler is applied the same way you'd spread body filler. For big repairs, use small amounts of filler and ...

The factory plastic bumper fillers are the bane of any G-body Regal's existence. We'd bet a case of Tastykakes that there isn't a single 1978-1987 Buick Regal with a full set of intact OEM bumper ...

Most folks shy away from doing anything with these bumpers. Plastic body filler is a nice quick fix-until someone bumps it just right. Suddenly, you're standing in front of your newly painted Mach ...