How do I convert GTA V DLC cars to FiveM correctly?

He may already be on a version that contains the vehicles, YET, for things like vanilla vehicle engine modifications, he’d need to make copies unfortunately…

Pkrafael - I think the best thing for you to do is:

  1. Explain the why of course
    and
  2. Provide us with the files you’re using (directly uploaded and NOT in a zip, rar, tar.gz, or compressed archive…)

And someone here should be able to assist.

Also, for reference (if what you ARE trying to do has to do with vanilla sounds or similar modifications):