Living in a crowded urban neighborhood, I often see kids driving around in their mobile sound systems on wheels, setting off every car alarm on the block. That's annoying enough, but at least I know that as painful as it is from the sidewalk, it's infinitely worse for the clowns inside the vehicle.
Now however, Dutch artist Olaf Mooij has taken that token sense of justice, and flipped it around by building a car with the sound system on the outside. To be fair, his DJ Mobile is designed to be used as a driveable PA system, which you park, and then operate from a DJ platform while standing up through the open sunroof. Still, I'm sure if you cranked it up while cruising down the block you could break every window you passed.