follow install path and replace both files

update\x64\dlcpacks\mppatchesng\dlc.rpf\x64\models\cdimages\mppatches.rpf\mp_f_freemode_01

Now in this path ONLY replace the YDD file

x64v.rpf\models\cdimages\streamedpeds_mp.rpf\mp_f_freemode_01