Mufflers.

S.C. Code Ann. § 56-5-5020
in effect
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Every motor vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and annoying smoke and no person shall use a muffler cutout, bypass or similar device upon a motor vehicle upon a highway. The engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes and smoke.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.scstatehouse.gov/code/t56c005.phpFetched: 10/17/2026

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