to use it:

-run OPENIV and go to [mods/update/x64/dlcpacks/replace/dlc.rpf/x64].
 here:

-put your downloaded cars X.yft , X_hi.yft , X.ytd , X+hi.yft ;
in "vehicles.rpf".

-and put any tuning inside "vehicle_mods.rpf".

                       _Thats all Enjoy_
