So, if you race this paint, each time you race the Skip Barber Formula 2000, your car will appear with a on it.
With Custom Number paints (like this one), the car number is incorporated into the design of the car itself and can’t be changed. We call those cars Sim-Stamped Number paints. Normally, the iRacing sim stamps its own car number on the car.
Note: Racing with Custom Number paints requires Trading Paints Pro.