SECTION 7U of chapter 90 of the General Laws, as appearing in the 2010 Official Edition, is hereby amended by adding the following sentence:- “The use and sale of any exhaust pipe that increases the sound emission of any vehicle including motorcycles shall be prohibited. All motorcycle exhaust pipes must conform to 82dBA maximum noise level measured directly to the rear exhaust outlet at a distance of 12 inches. The angle of measurement shall not exceed 30 degrees. Sound measurements taken beyond 12 inches that exceed the requirements are not acceptable. Violation of said decibel level, or illegal retrofitting, will result in a license suspension for six (6) months and/or a fine not to exceed two hundred and fifty dollars ($250).”
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