The flaps would fit on the Super Duty. The flaps that go on the F-150 are 23" long on the front and the rear. On the Super Duty normally the fronts are 23" long and the rear flaps 26" long. The 23" long flaps will still work, you will just get less tire coverage.
Here are the two part numbers for the brackets:
Front: https://www.sharptruck.com/truck-hardware-gb759841
Rear: https://www.sharptruck.com/truck-hardware-gb759842
Verified Answer
Admin answered on 9/15/2023