Vessels propelled by an internal combustion engine shall at all times be so equipped as to completely and effectually "muffle" the sound of such engine by diverting its exhaust under water, or otherwise. Every vessel subject to these rules may be operated with mufflers or cutouts while actually competing in any race licensed to be held by the council or other governing body of the city, village, or town adjacent or nearest to that portion of the body of water on which such race is to be held.
Minn. R. agency 151, ch. 5225, NAVIGATION OF POWER BOATS ON INLAND WATERS, pt. 5225.6900
Statutory Authority: MS s 183.38; 183.41; 326B.952