SP Install:

Drag the lg102por992ts 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:/lg102por992ts/</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>lg102por992ts</audioNameHash>


FiveM Install:

Drag the 'lg102por992ts' folder into your 'resource' folder. OR, you can install this on top of an existing sound resource.
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Premade resource with fxmanifest.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.
and properly setting up then on your existing fxmanifest.lua.
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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>lg102por992ts</audioNameHash>