I've recreated Brad Keselowski's Miller Light paint scheme with the Miller Retro and the Stars and Stripes scheme from a certain National Stock Car series.
.rcd and Folder go to:
Documents/rFactor2/UserData/player/Settings/ISI_StockCar_2015
.rcd and Folder go to:
Documents/rFactor2/UserData/player/Settings/ISI_StockCar_2015