About This File
I got bored so i decided to whip up this bad boy. The Skin is for the Brute Pony, I would recommend downloading Vanillaworks Extended as it will create a mods folder for you. Go into Open IV and Goto Mods>Update>x64>dlcpacks>vwe>dlc.rpf>x64>levels>gta5>vehicles>vwereplacements.rpf and find pony.ytd Replace pony sign 1 with this skin and you should be good to go.
Vanillaworks Extended: https://www.gta5-mods.com/vehicles/vanillaworks-extended-pack-add-on-oiv-tuning-liveries-vanillaworks-and-other-modders