Scrooge the leftist hacks in DC. Those bikers collectively have sent multiple millions if not billions of their tax dollars to DC. They share ownership of those streets and they can ride on them if they choose.
Maybe they legally can, but they are violating the rights of others: Just as your right to punch your fist ends where your neighbor’s nose begins, that many decibels polluting private and public spaces ought to be criminal if it isn’t.