← North Carolina driving laws›Exhaust & Muffler
North Carolina Exhaust & Muffler Laws (2026)
Info: Your vehicle needs a factory-type (OEM) muffler and exhaust in good working order.
InfoVerified Jun 19, 2026
Vehicle rules change at the state line.Track them in the free LawLert iPhone app and get an alert when you cross into a state where they differ. No account.Get the appYour vehicle needs a factory-type (OEM) muffler and exhaust in good working order. Muffler cut-outs (which route exhaust around the muffler) are prohibited. North Carolina sets no fixed decibel limit (N.C. Gen. Stat. § 20-128).
General legal information, not legal advice — verify important decisions with a licensed attorney.
Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free appTrack this law — get alerted when it changes
We watch the official sources behind North Carolina vehicle rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.