Earlier quoted context omitted.
This would be incredibly annoying. You what, have to tow your car to a track if you want to race? So now you need two vehicles? Given that outright street racing is common amongst blue-collar or inner-city demographics, this is an unrealistic expectation that will just push more people away from legal venues. It's a policy that says "you can't enjoy your hobby" in disguise that shows disregard for others' preferences…
You seem to assume this particular demographic you speak of only does so in venues: https://komonews.com/news/local/teen-to-be-sentenced-for-hig... Would you be willing to say the same for firearms and their availability? It meets much of your criteria, sans perhaps the portability part and location of many enthusiasts.
I believe in high availability of firearms because I'm principally against prior restraint. The state doesn't get to take machineguns away from people who haven't demonstrated abuse of them to the standard of reasonable doubt. The state doesn't get to take hellcats away from people who haven't demonstrated abuse of them to the standard of reasonable doubt. That's my moral position, which I assume you don't share, so I'm trying to point out a more practical reason why this is a bad policy in terms of outcome.