Exhaust Noise in Minnesota
Minnesota makes it unlawful to violate the state pollution agency's motor-vehicle noise rules, which put passenger cars at roughly 75 dBA measured 50 feet from the center of the lane.
Verified against primary sources · September 2026
What the law says
The limit is published as a distance-versus-level graph rather than a table, so treat 75 dBA as approximate and read the rule for your measurement distance. The muffler and cutout requirements sit separately in § 169.69.
Specific Limits
- Authority
- Minn. R. 7030.1060
- dB limit cars
- approximately 75 dBA at 50 feet (published as a distance-versus-level graph, not a table)
Frequently Asked Questions
Are exhaust noise legal in Minnesota?
What are the exact exhaust noise limits in Minnesota?
Street-legal exhaust noise picks
Gear that helps you mod without a ticket in Minnesota.
Measure your exhaust at the test RPM before a fix-it ticket does.
Shop on AmazonA removable insert that brings a loud exhaust back under your state's limit.
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