Access Mud Flaps A10400111 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; Smooth Mill; Hitch Mount; 18.5 x 37.88 in.; Access Rockstar 09+ XL Ram 1500 Mud Flaps