Mich. Admin. Code R. 281.1238
Current through Vol. 24-19, November 1, 2024
Rule 8. The exhaust of all internal combustion engines used on any waters of this state shall be muffled effectively by equipment constructed and used to muffle the noise of the exhaust of the engine in a reasonable manner. The use of cut outs, bypasses, or similar devices is prohibited, except for vessels competing in a boat race or regatta sanctioned by the department under sections 80164 and 80165 of the act. A modern device, underwater exhaust system or a system discharging cold water through the exhaust of an inboard engine, each of which is capable of muffling the noise of the exhaust of the engine in a reasonable manner, shall be considered as meeting the requirements of this rule.
Mich. Admin. Code R. 281.1238