Aftermarket Exhaust in Connecticut
Vehicle type: Sedan
Replacing the exhaust system is legal in Connecticut, but a muffler in good working order is required and cutouts or bypasses are prohibited. Modifications that make the exhaust louder than the originally installed muffler are prohibited.
Verified against primary sources · August 2026
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Frequently Asked Questions
Are aftermarket exhaust legal in Connecticut?
What are the aftermarket exhaust limits in Connecticut?
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Street-legal aftermarket exhaust picks
Gear that helps you mod without a ticket in Connecticut.
Cat-back systems keep your emissions equipment intact — the compliance-friendly route.
Decibel meter →Measure your exhaust at the test RPM before a fix-it ticket does.
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