Access Mud Flaps A1010071 ROCKSTAR(TM) mud flaps are the best fitting hitch mounted mud flaps! The unique model specific design features a custom fit aluminum frame with stabilizer plate, stainless steel hardware and 1/2" rubber flaps. ROCKSTAR" Mud Flap ROCKSTAR" Mud Flap; Smooth Mill; Hitch Mount; Access Rockstar 17-19 Ford F-250/F-350 Smooth Mill Finish Hitch Mounted Mud Flaps