IS MY MOD LEGAL?

Exhaust Noise in Illinois

Vehicle type: Sedan

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Illinois requires all vehicles to have functioning mufflers and prohibits exhaust modifications that create excessive noise.

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Frequently Asked Questions

Are exhaust noise legal in Illinois?
Illinois requires all vehicles to have functioning mufflers and prohibits exhaust modifications that create excessive noise.
What are the exhaust noise limits in Illinois?
Illinois requires all vehicles to have functioning mufflers and prohibits exhaust modifications that create excessive noise. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for exhaust noise in Illinois?
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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