Requires Fighting-G's 2013 Ferrari LaFerrari mod (made by Fighting-G not me):
http://www.gtainside.com/en/gta5/cars/77790-2013-ferrari-laferrari-v3-5

Instructions are in the Read me file

Feel free to leave feedback
enjoy!

Donations help me make more skins and are much appreciated
but are not at all compulsory thanks!