TEXTURES INSTALLATION: Place the .ytd files in "mods/update/x64/dlcpacks/mpsum/dlc.rpf/x64/models/cdimages/mpsum_female.rpf/mp_f_freemode_01_mp_f_sum"

OUTFITS INSTALLATION: Place the .xml files in the "Outfit" folder, can be found in the "menyooStuff" folder

VEHICLE INSTALLATION: Place the .xml file in the "Vehicle" folder, same location as the "Outfit" folder

After that, just go to Menyoo and select the outfit and vehicle and enjoy!
-EcLiPsE