how to install:
I have changed it to a mas file for 2 reasons
1. Only one file "ally.mas"
2. includes icons for new UI
Unzip and copy mas file to "C:\Program Files (x86)\Steam\steamapps\common\rFactor 2\Installed\Vehicles\Cadillac_DPi_2020\1.01"
or what ever is the latest version folder of that car
and then add the mas file to "C:\Program Files (x86)\Steam\steamapps\common\rFactor 2\Installed\Vehicles\Cadillac_DPi_2020\1.01"