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West Virginia Exhaust & Muffler Laws (2026)

Info: Your vehicle needs a muffler — factory (OEM) or equivalent — in good working order.

InfoVerified Jun 19, 2026

Your vehicle needs a muffler — factory (OEM) or equivalent — in good working order. 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).

Official source: code.wvlegislature.gov →

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