SP Install:

Open the OIV file with any software that can open a ZIP archive file
Drag the pgzonreng folder into GTAV/mods/update/x64/dlcpacks
Edit the dlclist.xml in GTAV/mods/update/update.rpf/common/data
Add the following line - <Item>dlcpacks:/pgzonreng/</Item>

Now, In order to use the mod do the following:
To use on any car, edit the vehicles.meta it is defined in, and replace this line with either;
<audioNameHash>pgzonreng</audioNameHash>

(Original Instructions from Aquaphobic | Changed with his permission )

FiveM Install:

Drag the 'pgzonreng' folder into your 'resource' folder. OR, you can install this on top of an existing sound resource.
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Premade resource with __resource.lua file strings provided. If using this, don't forget to ensure the new resource in server.cfg.
Otherwise, you can manually install it to an existing resource by dragging the audioconfig & sfx folders.
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To use on any car, edit the vehicles.meta, find where the car is defined, and replace this line with either:
<audioNameHash>pgzonreng</audioNameHash>

(Original Instructions from Aquaphobic | Changed with his permission )