By popular request, and available before the end of the Winter 2021 season, is the DDRS
number ball. You can grab a copy from itc42's gallery in Gran Turismo Sport.
Starting in the Spring 2021 season, the DDRS number ball will be a required on all Drink Drive Racing Series race car entries.
This only applies to the DDRS Sprint Series. Other racing series may have different branding requirements.