








drag and drop files in 
Grand Theft Auto V\mods\update\x64\dlcpacks\mpstunt\dlc.rpf\x64\levels\gta5\props\mp_stunt_tubes.rpf\

install the props from stt stunt track in 
GTAV/mods/update/x64/dlcpacks/mpstunt/dlc.rpf/x64/levels/gta5/mp_stunt_track