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Old 07-07-2019, 12:51 PM   #166
MR2620
 
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Drives: 2017 ZL1 - Hyper Blue
Join Date: Mar 2015
Location: US
Posts: 71
Quote:
Originally Posted by Bain View Post
It would be nice to have the stock npp exhaust on this graph for comparison.





From what one of their salesmen told me, the stock exhaust is about 1 on that graph. I have no way to verify that, but when I asked, that was the response I got.

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