Unmarked Lexus GS 350 Police Livery

First, download the car from Game68240.

For the add-on version:

Go to / mods / update / x64 / dlcpacks / polgs350 / x64 / vehicles.rpf and drag and drop polgs350.ytd.

For the replace version:

Go to \ mods \ update \ x64 \ dlcpacks \ patchday3ng \ dlc.rpf \ x64 \ levels \ gta5 \ vehicles.rpf and drag and drop police2.ytd.

Enjoy!