Maryland driving lawsExhaust & Muffler

Maryland Exhaust & Muffler Laws (2026)

Info: Muffler in good working order required; muffler cutouts/bypasses and noise-amplifying tailpipe extensions prohibited (no fixed dB) — Md.

InfoVerified Jun 19, 2026

Muffler in good working order required; muffler cutouts/bypasses and noise-amplifying tailpipe extensions prohibited (no fixed dB) — Md. Transp. §22-402.

Official source: mgaleg.maryland.gov

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