Place handling.meta in:

Grand Theft Auto V\mods\update\x64\dlcpacks\mpluxe2\dlc.rpf\common\data

Place Police2 files in 
Grand Theft Auto V\mods\update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\levels\gta5\vehicles.rpf\

Model can be used in any future model packs without having to link to my file.

Original model by Dyc3

Police conversion by BizzleZX10R