No person shall operate a motor vehicle in the city without an effective muffler properly installed on such motor vehicle, nor shall any vehicle be operated in said city upon which is installed or being used any motor noise muffler device which fails to suppress the motor exhaust noise to a level equal to or below the noise volume achieved by the muffler equipment specified by the manufacturer of such motor vehicle.
(Ord. 65-7-89, passed 8-14-89) Penalty, see § 70.99