Extract and copy the GameData and Series folders to your game directory. Replace files if necessary, you won't have any problems later.
In the game, select the F1F2021 logo from the second page of the different vehicle series.
Thanks to: JSoria, Marco17_Ok, Jvinu2000, for Ricciardo Helmet.
Extract and copy the Vehicles folder to your game directory. Replace files if necessary, you won't have any problems later.
My content: https://www.racedepartment.com/downloads/authors/jose46.110848/
Contact email: firstname.lastname@example.org
Here they are, all cars for 2020 for Formula Ultimate. All the cars made by me. Contains the modified front wing, and the leds lights in the rear wing. Driver suits and helmets from WCP series mod 2019, thanks.
Enjoy them ;)