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Massachusetts Exhaust & Muffler Laws (2026)

Info: Muffler in good working order required preventing excessive noise; cutouts/bypasses, removed baffles, noise-amplifying exhaust banned (no fixed dB) — M.G.L. c.90 §16.

InfoVerified Jun 19, 2026

Muffler in good working order required preventing excessive noise; cutouts/bypasses, removed baffles, noise-amplifying exhaust banned (no fixed dB) — M.G.L. c.90 §16.

Official source: malegislature.gov →

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