257.707 Muffler, engine, power mechanism, and exhaust system; requirements; prohibitions. Sec. 707. (1) A motor vehicle, including a motorcycle or moped, shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and annoying smoke. A person shall not remove, destroy, or damage any of the baffles contained in the muffler, nor shall a person use a muffler cutout, bypass, or similar device upon a motorcycle or moped on a highway or street. (2) The engine and power mechanism of a motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes or smoke. (3) A motor vehicle shall at all times be equipped with a properly operating exhaust system which shall include a tailpipe and resonator on a vehicle where the original design included a tailpipe and resonator. History: 1949, Act 300, Eff. Sept. 23, 1949 ;-- Am. 1969, Act 134, Imd. Eff. June 1, 1970 ;-- Am. 1976, Act 44, Imd. Eff. Mar. 17, 1976 ;-- Am. 1976, Act 439, Imd. Eff. Jan. 13, 1977
Michigan Legal Code