I'd like install skid plates under my Sport 1.4 T to do some real off-roading. In shopping for the center skid plate, it appears that both ATP and Valkyrie make heavier replacement drive shaft/carrier bearing skid plates to replace the thin Trailhawk plate. Since the Trailhawk already has the mounting bolts it just a matter of removing 4 nuts and replacing the skid plate. Has anyone installed a drive shaft skid plate on a Non-Trailhawk? I'm not clear on where the mounting bolts are placed. Is drilling required? It appears that the ATP Rear Diff skid plate will bolt right on to Non-Trailhawks. Thanks!