Hawaii § 291-24 - Motorcycles and mopeds, noisy mufflers; penalty.

Full text of Hawaii Hawaii Revised Statutes § 291-24 — Motorcycles and mopeds, noisy mufflers; penalty., with citation guidance and answers to common questions.

§ 291-24. Motorcycles and mopeds, noisy mufflers; penalty.

(a) Every motorcycle and moped moving under its own power on a public highway shall at all times be equipped with a muffler in constant operation to prevent any excessive or unusual noise and no such muffler or exhaust system shall be equipped with a cutout, bypass, or similar device. No person shall modify the exhaust system of a motorcycle or a moped in a manner which will amplify or increase the noise emitted by the motor of such motorcycle or moped above that emitted by the muffler originally installed on the motorcycle or moped except a motorcycle or moped that: (1) Has three wheels; (2) Is powered by an electric motor; (3) Has a full body enclosed cab; and (4) Has a seat belt assembly or a child restraint system for the driver and passenger; shall not be required to be equipped with a muffler. (b) As used in this section, "muffler" means a device consisting of a series of chambers or baffle plates, or other mechanical design, for the purpose of receiving exhaust gas from the engine of the motorcycle or moped, and being effective in reducing noise. (c) Whoever violates this section shall be fined not more than $150. [L 1949, c 21, §1; RL 1955, §311-27; HRS §291-24; am L 1978, c 222, §7; am L 1986, c 189, §1; am L 1994, c 120, §4; am L 2025, c 172, §3] Previous Vol05_Ch0261-0319 Next

Source: official Hawaii text · Last verified 2026-08-27

Frequently Asked Questions About Hawaii § 291-24

What does Hawaii Revised Statutes § 291-24 cover?

Section 291-24 ("Motorcycles and mopeds, noisy mufflers; penalty.") is part of the Hawaii Revised Statutes, the codified statutory law of Hawaii. 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 Hawaii § 291-24?

A common citation format is "Hawaii Revised Statutes § 291-24" (Hawaii). 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 Hawaii law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Hawaii official source linked on this page or consult a licensed Hawaii attorney.

How does Hawaii § 291-24 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Hawaii 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 Hawaii.