Installation:

1: Extract "monster.ytd" and "monster+hi.ytd"

2: Add the extracted files to "C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V\x64w.rpf\dlcpacks\mpindependence\dlc.rpf\x64\levels\gta5\vehicles\mpindependencevehicles.rpf\" using OpenIV