I did everything exactly like you described, installed it properly like other cars. However, i cant spawn it. Spawn name is nfpd1, right?
Nevermind, found it in Menyoo, nfpiu. You could add that to description.
I have big issue with lspdfr/rage. Every time i turn on Rage i get "Could not hook game process. Insufficient permissions or bad anti-virus." or just "System too slow" etc.
I tried everything, antivirus disabled, nvidia game overlay disabled, i dont have logs folder or ragepluginhook.log in my gta v folder, i dont know what else i can do.