← Delaware driving laws›Exhaust & Muffler

Delaware Exhaust & Muffler Laws (2026)

Info: Muffler in good order required; muffler cutouts prohibited; sale of gutted mufflers/cutouts/straight pipe unlawful (no fixed dB) — 21 Del.

InfoVerified Jul 22, 2026

Muffler in good order required; muffler cutouts prohibited; sale of gutted mufflers/cutouts/straight pipe unlawful (no fixed dB) — 21 Del. C. §4311.

Official source: delcode.delaware.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Don't get caught off guardGet a push the moment Delaware law changes — or when you cross into a state where it's different. Free.Get the free app

LawLert is an independent app, not affiliated with any government — informational only, not legal advice. Verify with a licensed attorney in your jurisdiction.