(A) No vehicle, other than an authorized emergency vehicle, shall be driven over any street or highway with any attachment affixed in any manner to the exhaust pipe of the vehicle that is or may be used as a signal, siren or horn.
(B) (1) No person shall drive any motor vehicle, including motor scooters, motorcycles and trucks, over any street or highway with the exhaust pipe open or leaking, or permit any exhaust from the engine to escape other than through and from a muffler duly maintained on the motor vehicle.
(2) All mufflers shall be maintained on all motor vehicles in good working order to prohibit unnecessary noise.
(C) No person shall modify the exhaust system of a motor vehicle including motor scooters, motorcycles and trucks, in a manner which will amplify or increase the noise emitted louder than that emitted by the muffler originally installed on the vehicle.
(Prior Code, § 16-1212) Penalty, see § 70.999
Statutory reference:
Muffler requirements, see 47 O.S. § 12-402