They do put in work on the street but as far as the show its fake.. fake money and permits for closing down streets..
When they came to California they tried to get in some illegal races in compton
Watch "STREET OUTLAWS - Busted on the streets of L.A." on YouTube
STREET OUTLAWS - Busted on the streets of L.A.:
http://youtu.be/LD9mbnqXYuA
They took to long to unload before the cops showed up but that was real street racing with no producers or closed streets...