[FreeReign]

It isn’t banned. It just not meet their safety requirements.

It can't compete in an NHRA event without a roll cage. If you put a roll cage in your Demon, then they won't ban your car.

[TexasGator]

“It can’t compete in an NHRA event without a roll cage. “

For those that don’t run less than 10.0 you can get by with a roll bar.