No person shall drive or operate in any park a vehicle not equipped as provided by law or which may not lawfully be operated within the state; use any "cut-out," fitting, apparatus, or device which allows its exhaust gases to escape therefrom without first passing through a muffler or silencer; drive a vehicle emitting offensive quantities of smoke, oil, gas, or disagreeable odors; or use any gong, siren, or whistle on any vehicle not operated by a public authority.
('74 Code, § 94.34) (Ord. 71-11, passed 12-6-71) Penalty, see § 93.99