Arizona § 28-955 - Mufflers; noise and air pollution prevention; emissions control devices; civil penalty; exception
Full text of Arizona Arizona Revised Statutes § 28-955 — Mufflers; noise and air pollution prevention; emissions control devices; civil penalty; exception, with citation guidance and answers to common questions.
§ 28-955. Mufflers; noise and air pollution prevention; emissions control devices; civil penalty; exception
A. A motor vehicle shall be equipped at all times with a muffler that is in good working order and that is in constant operation to prevent excessive or unusual noise.
B. A person shall not use a muffler cutout, bypass or similar device on a motor vehicle on a highway.
C. The engine and power mechanism of a motor vehicle shall be equipped and adjusted to prevent the escape of excessive fumes or smoke.
D. Beginning with motor vehicles and motor vehicle engines of the 1968 model year, motor vehicles and motor vehicle engines shall be equipped with emissions control devices that meet the standards established by the director of environmental quality.
E. A person who violates this section is subject to a civil penalty of at least one hundred dollars.
F. This section does not apply to an electrically powered motor vehicle.
Source: official Arizona text · Last verified 2026-08-27
Frequently Asked Questions About Arizona § 28-955
What does Arizona Revised Statutes § 28-955 cover?
Section 28-955 ("Mufflers; noise and air pollution prevention; emissions control devices; civil penalty; exception") is part of the Arizona Revised Statutes, the codified statutory law of Arizona. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Arizona § 28-955?
A common citation format is "Arizona Revised Statutes § 28-955" (Arizona). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Arizona law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Arizona official source linked on this page or consult a licensed Arizona attorney.
How does Arizona § 28-955 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Arizona can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Arizona.