Again…you’ve not been to Napierville…lol…and thats an NHRA track…and I am sure someone has taken a go kart with a big block down it. Honestly if you want to run 10’s without a bar I could care less. A roll bar isn’t going to affect me one way or the other in your car. I have one in mine and the only reason I’d rather see another car have one is without it he has a weight advantage 