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Mount Pleasant, SC Noise Ordinances: Vehicle Noise (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Mount Pleasant Code § 132.03(E)(5)
Standard applied
S.C. Code § 56-5-5020 muffler rule
Related clause
§ 132.03(E)(1) bars unnecessary horn use
Max penalty
$500 fine and/or 30 days jail
Enforcing agency
Mount Pleasant Police Department

Summary

Town Code § 132.03(E)(5) makes it a town noise offense, on top of any state charge, for a motor vehicle's muffler to emit sound in violation of S.C. Code § 56-5-5020. Section 132.03(E)(1) separately bars unnecessary horn use within the Town of Mount Pleasant.

(5) Mufflers. Sound emitting from a motor vehicle's muffler in violation of S.C. Code § 56-5-5020.

Full Breakdown

Mount Pleasant folds vehicle muffler noise directly into its town noise ordinance rather than leaving it purely to the state. C. Code § 56-5-5020, the state statute governing exhaust and muffler equipment. 03, giving the Mount Pleasant Police Department a local charge in addition to any state citation. The same subsection (E) separately prohibits, in (E)(1), 'the sounding of any horn or signaling device on any motor vehicle on any street or public place, except as a danger warning,' which covers unnecessary honking rather than exhaust noise.

03: officers may use a sound level meter from the complainant's property line under division (B), though a plainly audible violation does not require one. Neither the muffler nor horn clause carries a separate penalty schedule; both fall under the general violation provision for the section.

Violations & Fines

A muffler-noise violation under § 132.03(E)(5) is punishable under § 132.03(H) by a fine of up to $500, imprisonment for up to 30 days, or both, capped at the penalty state law provides for a similar offense under S.C. Code § 56-5-5020. Each day a violation continues is treated as a separate offense.

Frequently Asked Questions

Can Mount Pleasant Police cite a loud muffler under the town noise code?
Yes. Section 132.03(E)(5) makes it a town offense for sound to emit from a motor vehicle's muffler in violation of S.C. Code § 56-5-5020, so the Mount Pleasant Police Department can issue a local citation in addition to any state charge.
Is honking a car horn regulated separately from muffler noise?
Yes. Section 132.03(E)(1) separately prohibits sounding any horn or signaling device on a motor vehicle on a street or public place except as a danger warning, distinct from the muffler-specific clause in (E)(5).
What is the penalty for a vehicle noise violation in Mount Pleasant?
Under § 132.03(H), a violation is punishable by a fine of up to $500, up to 30 days imprisonment, or both, capped at whatever penalty state law sets for a comparable offense, with each day of continued violation a separate offense.

Sources & Official References

Other rules in Mount Pleasant

All Mount Pleasant rules

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