Today on our 2013 Ford F350 we'll be installing the Blue Ox Diamond hitch under bed goose neck trailer hitch, part number DH1204. To begin our test install first note we've already gone ahead and lowered and removed the spare tire. Then we'll remove both sets of rear wheels. Next to begin our install we'll need to remove the back section, or tail pipe, of the exhaust. Note, you can lower it, but… see more >