You posted two of your options, the first should be to get the correct one from the factory, this should have happened during/after the PDI.
Those who are handy have bought oversized cutting boards and cut and trimmed them down to fit.
If you are like me and have few skills in this area then a custom is what you are looking at.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
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