Access Mud Flaps A10100621 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 XL ROCKSTAR" Mud Flap XL; Diamond Plate; Hitch Mount; 24 in. x 37.88; Trim To Fit Rubber; Access Rockstar 15+ XL Ford F-150 Trim to Fit Mud Flap