Huntersville, NC Noise Ordinances: Vehicle Noise (2026)
Key Facts
- Muffler law
- NCGS 20-128
- Audio standard
- Plainly audible at 50 ft
- Fine range
- 50 to 250 dollars
- Enforcement
- Huntersville PD
Summary
Modified exhaust, loud car stereos, and engine revving are regulated under Huntersville Chapter 92 and NCGS 20-128 requiring factory-equivalent mufflers. Car audio plainly audible at 50 feet is a violation.
§ 20-128. Exhaust system and emissions control devices.
(a) No person shall drive a motor vehicle on a highway unless such motor vehicle is equipped with a muffler, or other exhaust system of the type installed at the time of manufacture, in good working order and in constant operation to prevent excessive or unusual noise, annoying smoke and smoke screens.
(b) It shall be unlawful to use a "muffler cut-out" on any motor vehicle upon a highway.
(c) No motor vehicle registered in this State that was manufactured after model year 1967 shall be operated in this State unless it is equipped with emissions control devices that were installed on the vehicle at the time the vehicle was manufactured and these devices are properly connected.
(d) The requirements of subsection (c) of this section shall not apply if the emissions control devices have been removed for the purpose of converting the motor vehicle to operate on natural or liquefied petroleum gas or other modifications have been made in order to reduce air pollution and these modifications are approved by the Department of Environmental Quality.
Full Breakdown
N.C.G.S. 20-128 requires every motor vehicle to be equipped with a muffler in good working order. Modified or cutout exhaust systems that amplify noise are illegal statewide. Huntersville Police enforce both the state statute and the local plainly-audible standard for car audio. Corridors along I-77 exits and Gilead Road see regular enforcement for loud exhausts and cruising with bass.
Violations & Fines
State muffler violation carries a fine up to 100 dollars plus court costs. Local audio citation 50 to 250 dollars based on priors.
Sources & Official References
- [1]NCGS 20-128
Other rules in Huntersville
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