The .rfcmp file name can be renamed to what ever you want and be installed with no issues. But it doesn’t change things in game.
How to change the ingame namings. It’s been asked before a 1000 times.
- Unpack the mod.
- Rename the cars in the .veh file in the teams.mas
- Create a new teams.mas
- Create a new package (.rfcmp)
- Intall your new private package.