Installation:

1: Extract the "bike_livery.dds" texture

2: Using OpenIV, add it to the "sovereign.ytd" and "sovereign+hi.ytd" files in "C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V\update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\levels\gta5\vehicles.rpf\"