Influencer II
Looks like some nice upgrades over the regular FX4 package. Especially the front limited slip option. This is exactly what they needed. The FX4 package was definitely lacking compared to competitor top models without making the jump to a raptor. Plenty of tech goodies too.
https://media.ford.com/content/fordmedia/fna/ca/en/news/2020/12/08/all-new-2021-ford-f-150-tremor.html
https://media.ford.com/content/fordmedia/fna/ca/en/news/2020/12/08/all-new-2021-ford-f-150-tremor.html