JCW Over/Under on Pro Exhaust

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Old Jun 23, 2019 | 03:12 PM
  #1  
Atlanta54's Avatar
Atlanta54
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Over/Under on Pro Exhaust

My first track day is coming up and the DB limit is 98. '19 JCW HT stock. With the exhaust open, what is your estimate? Over/Under?
 
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Old Jun 23, 2019 | 05:50 PM
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invaliduser
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From: Baton Rouge
Under without the throttle lift pops/bangs. Over with pops bangs.
Close the straight through valve and your fine.
 

Last edited by invaliduser; Jun 24, 2019 at 06:43 AM.
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Old Jun 24, 2019 | 05:42 AM
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I'd say throttle down you're under. Pops and bangs way over.
 
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Old Jul 11, 2019 | 11:17 AM
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Depends how far away the sound meter is...I AutoX with it open and it stays under the 105db 50 ft away but I don't know what the actual readings are... I am wondering how my new NM Exhaust will do...
 
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