Installation:

1. copy deluxowb2 folder to:
X:\Grand Theft Auto V\update\x64\dlcpacks 

2. Use OpenIV go to:
X:\Grand Theft Auto V\update\update.rpf\common\data\dlclist.xml 
right click edit, add new line

<Item>dlcpacks:/deluxowb2/</Item>

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Change the handling
Choose a handling file from the different handlings folder then

Open OpenIV and copy Handling.meta to:

GTAV/mods/update/x64/dlcpacks/deluxowb2/dlc.rpf/common/data

and paste it there replacing the old handling