Exhaust Noise in Arizona
Vehicle type: Truck
Arizona sets no statewide decibel limit for passenger cars. A muffler in good working order is required, exhaust may not produce excessive or unusual noise, and cutouts or bypasses are prohibited.
Verified against primary sources · August 2026
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Frequently Asked Questions
Are exhaust noise legal in Arizona?
What are the exhaust noise limits in Arizona?
Are there exceptions for exhaust noise in Arizona?
Street-legal exhaust noise picks
Gear that helps you mod without a ticket in Arizona.
Measure your exhaust at the test RPM before a fix-it ticket does.
Exhaust silencer insert →A removable insert that brings a loud exhaust back under your state's limit.
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