I found that Tractor Supply had a very reasonably priced rubber mat that was made to fit the Ford bed. I used the same mat on my 2010 and my current F450.
If Ford is still putting this frammus on the driver side of the hitch receiver, it may need to be removed to install Torklift rear tiedowns. It’s a harmonic balancer, and the cage around the weight interferes with the tiedown bar on that side.
It used to mount here.
I also put a 2x10 across the front of my bed. Mine needed a layer of 1x10 Trex material on top of it to keep the camper from touching the taillights.
To keep from having to cut a hole in the bed for the camper plug, I ran the wires through this plastic knock-out plug, and mounted a plastic box to the board.
My camper uses two plugs because I have 4 gauge wires installed for the +/- 12V circuit. The big two-pin plug is just for those wires. The smaller four-pin plug is for the clearance, brake, turn, and backup lights.
If you need the truck to provide any real charging current to the camper batteries, you may find that these new trucks “smart alternator/ECM controlled” 12 volt system is incapable of providing the high amp charging you used to be able to coax out of the older trucks with a “dumb” alternator/voltage regulator. To get around that on my truck, I installed a DC-DC charger in the camper. That’s what the 4 gauge wires are for.
:):)