The exhaust of every internal combustion engine used on any motorboat shall be effectively muffled by equipment so constructed and used as to muffle the noise of the exhaust in a reasonable manner. The use of cut-outs is prohibited, except for motorboats competing in a regatta or official boat race, and for motorboats while on trial runs.
('58 Code, § 6A.07) (Ord. 722, passed 10-27-59) Penalty, see § 10.99
   Noise control regulations for boats, see § 97.30