Exhaust Noise in California
Vehicle type: Sedan
Conditional
California allows modified exhaust systems that do not exceed 95 dB and maintain adequate muffling. Straight pipes and excessively loud systems are prohibited.
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Frequently Asked Questions
Are exhaust noise legal in California?
California allows modified exhaust systems that do not exceed 95 dB and maintain adequate muffling. Straight pipes and excessively loud systems are prohibited.
What are the exhaust noise limits in California?
California allows modified exhaust systems that do not exceed 95 dB and maintain adequate muffling. Straight pipes and excessively loud systems are prohibited. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for exhaust noise in California?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.