I read nothing about cars, isn't that the same stuff? (As you can see, I'm neither an expert on drug use nor on tuning cars.) I suppose the system itself is st

I read nothing about cars, isn't that the same stuff? (As you can see, I'm neither an expert on drug use nor on tuning cars.) I suppose the system itself is street legal in many countries, even if maybe not the use. But even if you assume track usage...