Also to keep my cost way down and just add a little more safety. These tubing's we are adding are really not structural so they are just conduit...I would say there more stiffeners there for in case....The rock slides that are going on are black Iron 11/4...The doors will be black iron..1/1/4.. I would use DOM but try to find it were I live gets expensive....Conduit 10.00 for a 10ft section.. My one friend had a toyota 4x4 he tubed the whole truck except the frame and it held very well....Like my nephew said last night Quote: You break or damage one of these your gonna have more things to worry about then this pipe....LOL