Yep seen people do it. Doesn't look pretty and if you attend National events you can't

Need magnetic numbers in a certain height, letters a percentage of the numbers, and on a contrasting background.
__________________
Sponsored by: KAM Racing Sports, Falken Tires, Progress Technology, Brady's High Performance, Taggart Performance Engineering, Rotora Brakes
Autocross is: 90% driver, 5% car, & 5%
CRAZY MOJO!
Autocross Help Page