IS MY MOD LEGAL?

Exhaust Noise in Oklahoma

Vehicle type: Van

Conditional

Oklahoma limits vehicle exhaust noise to 85 decibels measured at 20 inches from the exhaust outlet. Post-1975 vehicles must maintain original equipment noise levels.

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Frequently Asked Questions

Are exhaust noise legal in Oklahoma?
Oklahoma limits vehicle exhaust noise to 85 decibels measured at 20 inches from the exhaust outlet. Post-1975 vehicles must maintain original equipment noise levels.
What are the exhaust noise limits in Oklahoma?
Oklahoma limits vehicle exhaust noise to 85 decibels measured at 20 inches from the exhaust outlet. Post-1975 vehicles must maintain original equipment noise levels. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for exhaust noise in Oklahoma?
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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