I spent all day cutting and shaping the holes in the bumpers with a dremel. After I got them the size I wanted I cut some expanded metal and bent it to fit the curves of the bumpers. The rear bumper I glued the panels in place, they are smaller and bolts didn't seem like they would look good there. The front needed to be stronger in case I hit a parking curb or sidewalk with it so I bolted it on. The front bumper is installed except for some lower brackets so a jackstand is holding it in place for now.