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Wyoming Exhaust & Muffler Laws (2026)

Info: Muffler/effective noise-suppressing system in good working order required; cut-out, bypass or similar device prohibited (no fixed dB) — Wyo.

InfoVerified Jul 22, 2026

Muffler/effective noise-suppressing system in good working order required; cut-out, bypass or similar device prohibited (no fixed dB) — Wyo. Stat. §31-5-953.

Official source: wyoleg.gov →

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