Unusual noises from a vehicle are often the first warning that something is wrong under the bonnet or beneath the car. Many drivers ignore these sounds, hoping they will disappear after a few minutes ...

Extensions or devices on an exhaust system or tail pipe that cause "excessive or unusual noise" are prohibited as well. And ...

Stratford, said affects residents across the state: exhaust systems modified to make loud, even gunshot-like noises.  State ...