Quote:
Originally Posted by Model Citizen
Mass is obd scan, no visual or sniffer.
Theres also a grey area law on exhaust noise, but its sorta subjective to the inspector.
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Well the law is you cant modify the exhaust to be louder than stock. You might run into an inspector that takes it seriously, or you might run into one who doesn't care. Luck of the draw really. But if it is just a header, my guess is that they wouldn't even notice.