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Virginia Exhaust & Muffler Laws (2026)

Info: Your vehicle needs an exhaust system in good working order so it doesn't make excessive or unusual noise, and chambered pipes count as a violation.

InfoVerified Jun 19, 2026

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Your vehicle needs an exhaust system in good working order so it doesn't make excessive or unusual noise, and chambered pipes count as a violation. Virginia sets no fixed decibel limit (Va. Code § 46.2-1049).

Official source: law.lis.virginia.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Exhaust & Muffler in states bordering Virginia

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

District of ColumbiaInfo
You can't modify your exhaust in a way that pushes noise above the legal limits — D.C. sets decibel caps for vehicles in use in a table, for example 88 decibels measured at 50 feet (20 DCMR §§ 2811-2812).
Verified Jun 19, 2026 · Source: dcrules.elaws.us · Full District of Columbia rule →
KentuckyInfo
Your vehicle needs a suitable, efficient muffler; running with the cutout removed is prohibited, and so is any change that makes the exhaust louder than the factory setup. Kentucky sets no fixed decibel limit (KRS § 189.140).
Verified Jun 19, 2026 · Source: apps.legislature.ky.gov · Full Kentucky rule →
MarylandInfo
Your vehicle needs a muffler in good working order, and muffler cutouts and bypasses (which route exhaust around the muffler) are prohibited, as are tailpipe extensions that amplify noise. Maryland sets no fixed decibel limit (Md. Transp. § 22-402).
Verified Jun 19, 2026 · Source: mgaleg.maryland.gov · Full Maryland rule →
North CarolinaInfo
Your vehicle needs a factory-type (OEM) muffler and exhaust in good working order, and muffler cut-outs (which route exhaust around the muffler) are prohibited. North Carolina sets no fixed decibel limit (N.C. Gen. Stat. § 20-128).
Verified Jun 19, 2026 · Source: ncleg.net · Full North Carolina rule →
TennesseeInfo
Your vehicle needs a muffler in good working order, running at all times, cutouts (which route exhaust around the muffler) are prohibited, and the excessive or unusual noise the law bars includes engine noise from a non-motorcycle that's noticeably louder than similar vehicles and over 95 decibels. …
Verified Jul 26, 2026 · Source: publications.tnsosfiles.com · Full Tennessee rule →
West VirginiaInfo
Your vehicle needs a muffler — factory (OEM) or equivalent — in good working order, and a cutout, bypass or similar device (which routes exhaust around the muffler) is prohibited. West Virginia sets no fixed decibel limit (W. Va. Code § 17C-15-34).
Verified Jun 19, 2026 · Source: code.wvlegislature.gov · Full West Virginia rule →

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