Ordinance 8.10.260

https://mcminnville.municipal.codes/MMC/8.10.260

Section D-4

"Vehicle Noises. The use of any vehicle or engine, either stationary or moving, in a manner that causes or creates any loud or unnecessary grating, grinding, rattling or other noise, including the discharge in the open air of the exhaust of any steam engine, internal combustion engine, motor boat or motor vehicle except through a muffler or other device which will effectively prevent loud or explosive noises and the emission of annoying smoke."