Access Mud Flaps A10200813 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 3XL ROCKSTAR" Mud Flap 3XL; Smooth Mill; Hitch Mount; 24 in. x 47 in. Incl. Shield; Trim To Fit; Access Rockstar 15-19 3XL Full Size 2500 and 3500 Trim to Fit Mud Flaps