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Hello,
I was wondering if anyone out there could help me with my current problem. I have fail ed my inspection here in Germany because they say my exhaust is too loud! The maximum is 95 decibles and my vette is putting out 100.3. It sounds great.
So my question is if anyone know any quick fixes to help me pass my inspection by making the exhaust quiter for a little while? I would really hate to go back to stock because I know I'm gonna change it right back. What do they expect 405+ hp to sound like...a kitten?! Thank in advance.
I would recommend putting the stock cat back mufflers on .2 hour swap. off than back on. Or could you pack a restrictor type material in your tailpipe.Fiberglas insulation ,enuff to quiet it down ,5 db's is not much.