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Old 02-27-2019, 12:52 PM   #6
kwav8r
Flyin NOE
 
Drives: 2018 ZL1 (A10)
Join Date: Apr 2017
Location: TX
Posts: 949
I ran a Borla 60606 (secondary cat delete w/x-pipe) from stock exhaust to OEM muffler. There was some drone and it was too raspy for me. So, I included the Borla 60608 (resonator) which eliminated the drone and rasp and made the exhaust a little deeper.

Overall, a little louder than stock and a deeper note.
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