CHAPTER 270 SUPERVISION OF NAVIGATION; REGISTRATION OF BOATS AND MOTORS; COMMON CARRIERS BY WATER
Motorboat Noise Levels
Section 270:40
270:40 Alteration of Marine Engines.
No person may remove or alter the propulsion unit, the enclosure or any part of a marine engine or modify the mounting of a marine engine in or upon a boat in such a manner as to exceed the noise levels prescribed in RSA 270:37.