Solved.
The YouTube vid of 2020 mirrors being altered a bit and fitting a 2021 stx xl (my case) is true. I had to remove more of the plastic structure inside the mirror mount on the driver's side but it's doable. I also used a uni-bit to enlarge the 2 most forward built holes in the door...
Picked up the truck this morning after the tbc and coded entry was installed. Apparently the mirrors they ordered were incorrect and I'm supposed to be updated today (6pm now...) on if they can find the correct tow mirrors.
Bought a 2021 XL STX F150 a couple weeks ago with the assurance that the mirrors were indeed available from the salesman. After some back and forth with him and 2 different accessory guys at 2 different dealerships I was looking at nothing (not available). Then I received the email from Ford...
Hi guys and gals,
I'm thinking about the same storage for my just bought 2021 f150 STX. My question is that mine has no stock front barrier/wall/thing (see the pic). Some of the items on Amazon say that I have to have the front part to attach the aftermarket storage item to. Any thoughts...