to install this mod use open iv. open iv will automatically look the game files. Upon installing at this address location and or depending on your game files it May it may require different areas to install it if any upload please mention my youtube channel.

D:\New folder\Grand Theft Auto V\mods\update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\levels\gta5\vehicles.rpf\