§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 $100. [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]
Structure Hawaii Revised Statutes
Title 17. Motor and Other Vehicles
291-2 OLD REPEALED. §291-2 Reckless driving of vehicle or riding of animals; penalty.
291-3.1 Consuming or possessing intoxicating liquor while operating motor vehicle or moped.
291-3.2 Consuming or possessing intoxicating liquor while a passenger in a motor vehicle.
291-3.3 Storage of opened container containing intoxicating liquor or consumption at scenic lookout.
291-8 Freight on motor cars; projection of, prohibited.
291-9 Freight; on running board.
291-11.5 Child passenger restraints.
291-11.6 Mandatory use of seat belts, when, penalty.
291-12 Inattention to driving.
291-13 Traffic laws apply to persons driving mopeds.
291-14 Pickup trucks; passenger restrictions.
291-15 Trauma system surcharge.
291-16 Safe routes to school program surcharge.
291-17 Mobile electronic devices; use while operating a commercial motor vehicle prohibited.
291-21.5 Regulation of motor vehicle sun screening devices; penalty.
291-22 Regulation of exhaust pipe and muffler.
291-24 Motorcycles and mopeds, noisy mufflers; penalty.
291-24.5 Motor vehicle muffler.
291-24.6 Motor vehicle alarm systems.
291-25 Lights for motor vehicles, motorcycles, motor scooters, motorized bicycles.
291-29 Lights for other vehicles.
291-31 Tail lights on vehicles, motorcycles and motor scooters.
291-33 Projections on face of wheels prohibited.
291-34 Size of vehicles; width, height, and length.
291-35 Gross weight, axle, and wheel loads.
291-35.1 Regulation of bumper height.
291-51.3 Reimbursement to counties; agreement with counties to provide permits
291-51.4 Fraudulent verification of an applicant as a person with a disability; penalty.
291-51.5 Special license plates.
291-51.6 Issuance of temporary removable windshield placards.
291-52 Issuance of removable windshield placard.
291-52.2 Issuance of a disabled paid parking exemption permit.
291-52.5 Issuance of identification card.
291-53 Nontransferability; penalty.
291-55 Metered parking privileges. §291-55 Parking fees.
291-57 Parking spaces reserved for persons with disabilities; penalties.
291-58 Requirement to provide parking for persons with disabilities; penalty.
291-71 Designation of parking spaces for electric vehicle charging systems.