Here's a write up on how to do it.
Bench Seat Conversion 18-21 Expedition
docs.google.com
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
Did you end up doing this? I am buying a 2022 expedition with hi net seats but need a bench. I am in UtahJace- I'm in Utah too and looking to do the opposite, maybe we could collaborate (if you have a black interior)