but the pipe is still round and why would it be welded on the inside or am i missin something if you were welding on the outside of the 4 90's it would be impossible to weld yourself into a corner unless it was a brother in law job. Hey good new i sold the 65 yesterday so i'm 2k closer to my cwi goal but dont look like it's gonna happen til jan. we gott abe outta this house by dec 1 so guess i'm gona rig up and go north aint told the wife yet she's gona hate me tilt eh 1st check or 2 lol