IS MY MOD LEGAL?

Exhaust Noise in Michigan

Vehicle type: Van

Conditional

Michigan sets real numeric limits: 76 dBA at 35 mph or less and 82 dBA above that, measured at 50 feet, plus a stationary run-up limit of 95 dBA measured 20 inches from the tailpipe.

Verified against primary sources · August 2026

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Frequently Asked Questions

Are exhaust noise legal in Michigan?
Michigan sets real numeric limits: 76 dBA at 35 mph or less and 82 dBA above that, measured at 50 feet, plus a stationary run-up limit of 95 dBA measured 20 inches from the tailpipe.
What are the exhaust noise limits in Michigan?
Michigan sets real numeric limits: 76 dBA at 35 mph or less and 82 dBA above that, measured at 50 feet, plus a stationary run-up limit of 95 dBA measured 20 inches from the tailpipe. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for exhaust noise in Michigan?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.

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