1.download openiv http://openiv.com/
2.navigate to C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V\x64e.rpf\levels\gta5\vehicles.rpf\
3.drag and drop the files 

special thanks to justin roiland for actually noticing this mod
https://twitter.com/JustinRoiland/status/662882803030188032

Mod by zzcool,indirivacua,lunchxbles,cr8g
http://www.youtube.com/user/taltigolt
http://cr8g.deviantart.com/
https://www.youtube.com/user/indirivacua
gta5-mods.com/users/lunchxbles