Let's say you're a Russian billionaire with a Bugatti Veyron. Why wouldn't you spend evenings filming illegal street racing against 730HP Switzer P800 Nissan GT-Rs? You've got enough Rubles to persuade the cops to look the other way.
http://jalopnik.com/5550058/video-bugatti-veyron-illegally-street-races-two-gt+rs