I also wonder if this person or persons is breaking the law. It's like a supercharger; this person revs it up as loud as it can get, idles it forever while gunning the engine, and then slowly drives away. Some days are louder than others, and I often wonder if anyone has complained to this person or persons. [1, 2, 3] -The Bismarck Police Department enforces rules regarding loud parties, vehicle stereos, and mufflers. Central Dakota Communications Center Non-emergency reports and noise complaints can be directed to local dispatch through theor by calling local non-emergency numbersNothing like a quiet weekend, it's possible, you know.