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Exhaust Noise in Rhode Island

Conditional

Rhode Island sets no statewide decibel limit for passenger cars. A muffler in good working order is required, exhaust may not produce excessive or unusual noise, and cutouts or bypasses are prohibited.

Verified against primary sources · September 2026

What the law says

Rhode Island law is qualitative rather than numeric: A muffler in good working order is required, exhaust may not produce excessive or unusual noise, and cutouts or bypasses are prohibited. 1-4.

Specific Limits

Statewide decibel limit
none

Statute

R.I. Gen. Laws § 31-23-13

Read the statute →

Frequently Asked Questions

Are exhaust noise legal in Rhode Island?
Rhode Island sets no statewide decibel limit for passenger cars. A muffler in good working order is required, exhaust may not produce excessive or unusual noise, and cutouts or bypasses are prohibited.
What are the exact exhaust noise limits in Rhode Island?
Statewide decibel limit: none. Source: R.I. Gen. Laws § 31-23-13.

Street-legal exhaust noise picks

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