2021 job 1 owner here. 34k miles. Didn't get the HVJB done yet although Ford keeps pestering me about it.
The car has overall been good, although I did have several multi-day recalls (glass, door locks, and a big software update) and it's still glitchy. Door locks take multiple presses, the car...
My wife and I have gotten a ton of positive comments and a lot of questions. I think she's made 1 or 2 sales (or would, if you could actually buy one).
Only negative comment was a guy who asked, "Will that thing beat a Honda Odyssey 0-60?" Now it's 20 degrees out, I'm on my third Electrify...
It's the Torklift Eco that others have mentioned:
https://torkliftcentral.com/2021-ford-mustang-mach-e-trailer-hitch?v=4
And I'm using a cheap Allen rack I found on Amazon. So far, so good.
https://smile.amazon.com/Allen-Sports-Locking-Release-Carrier/dp/B0792V7HB5
Sheehy in Maryland had one that I bought when they did the recall programming. It was comically expensive but the wife stopped complaining, which made it worth the price.
Local mechanic took about 90 minutes to install it today. If you don't have the right tools (or if you do have the right tools, but don't want this to be a weekend project), any competent shop can do it.