Mich. Comp. Laws » Michigan Compiled Laws / Chapter 257 / Act 300 of 1949
Michigan Compiled Laws

Mich. Comp. Laws § 257.707 (2026)

Muffler, engine, power mechanism, and exhaust system; requirements; prohibitions.

✓ current as of July 2026
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MICHIGAN VEHICLE CODE


Act 300 of 1949


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

Notes of Decisions
Cited in 9 cases, 1973–2020 · leading case: People v. Burrell, 339 N.W.2d 403 (Mich. 1983).
Sort: Relevance Newest Treatment
People v. Burrell, 339 N.W.2d 403 (Mich. 1983). “3 MCL 257.707; MSA 9.2407. 4 It appears to have been the policy of the Kent County Sheriff’s Department to require passengers in a stopped vehicle to identify themselves.”
People v. Dixon, 222 N.W.2d 749 (Mich. 1974). · cites it 2× “[4] MCLA 257.707; MSA 9.2407. [5] MCLA 257.904; MSA 9.”
Farm Bureau Mut. Ins. v. Stark, 468 N.W.2d 498 (Mich. 1991). “2406 (requiring all motor vehicles "including a motorcycle or moped” to be equipped with a horn); MCL 257.707; MSA 9.2407 (regulating exhaust systems of motor vehicles "including a motorcycle or moped”).”
People v. Dixon, 205 N.W.2d 852 (Mich. Ct. App. 1973). “MCLA 257.707; MSA 9.2407. Trooper Beaver approached the vehicle.”
People v. Ward, 252 N.W.2d 514 (Mich. Ct. App. 1977). “MCLA 257.707; MSA 9.2407. 3 Law Enforcement (Information) Network.”
People of Michigan v. Anthony Edward Lamar (Mich. Ct. App. 2016). · cites it 2× “For example, MCL 257.707 requires that a motor vehicle “be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and annoying smoke” and “be equipped -3- with a properly operating exhaust system .”
People of Michigan v. Keith Edward Nadeau (Mich. Ct. App. 2018). “” MCL 257.707(3) also requires that a motor vehicle “be equipped with a properly operating exhaust system.”
People of Michigan v. Keith Edward Nadeau (Mich. Ct. App. 2018). “” MCL 257.707(3) also requires that a motor vehicle “be equipped with a properly operating exhaust system.”
Jonathon Emmendorfer v. Pioneer State Mut. Ins. Co. (Mich. Ct. App. 2020). “706, a muffler, MCL 257.707, and a regular seat attached to the vehicle, MCL 257.”
— Mich. Comp. Laws § 257.707(1) — 1 case
People of Michigan v. Anthony Edward Lamar (Mich. Ct. App. 2016). “For example, MCL 257.707 requires that a motor vehicle “be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and annoying smoke” and “be equipped -3- with a properly operating exhaust system .”
— Mich. Comp. Laws § 257.707(3) — 2 cases
People of Michigan v. Keith Edward Nadeau (Mich. Ct. App. 2018). “” MCL 257.707(3) also requires that a motor vehicle “be equipped with a properly operating exhaust system.”
People of Michigan v. Keith Edward Nadeau (Mich. Ct. App. 2018). “” MCL 257.707(3) also requires that a motor vehicle “be equipped with a properly operating exhaust system.”
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