If it is the piece I am thinking of it is about 3 1/2 wide with a 45 angle on each side. We had some body work done several years ago that required its removal. It is a snap on install, but the shop we were at could not remove it without considerable damage. At the time Monaco stocked the part in 18' lengths. I suppose you could rivet or screw thru it but that may not be to pretty.