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Old 05-27-2018, 04:27 PM   #12
Mr. Wyndham
I used to be Dragoneye...
 
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Drives: 2018 ZL1 1LE
Join Date: Jan 2007
Location: Buffalo, NY
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Quote:
Originally Posted by Ivan0072 View Post
How do I know my car isn't violating the sound limit? I Only have an MBRP Cat-Back.
The only way to know for sure is to drive by a decibel-meter at the same distance they are set up on the track.

Rule of thumb is mufflers should be present, and headers pretty much ruin it.
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