My solution for a low mount bed rack with RamBoxes. When open the doors for the boxes do not touch the rack, and a roof top tent will mount on the back
Backrack Inc. - Backrack Inc. on a RAMBOX | Facebook
BackRack | 144TR |Truck Bed Three Round Headache Rack | Fits '68-'07 Chev/GMC Classic/CK Series | '75-'03 Ford F-150 | '04-'15 Nissan Titan | '68-'17 Dodge Ram EXCLUDING Rambox | '95-'07 Toyota Tundra, Tow Bars - Amazon Canada
BackRack 14800 Open Headache Rack (Frame Only) | XDP