05-17-2022, 05:55 AM
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#14
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ZL1 Believer
Drives: 2019 Camaro ZL1
Join Date: Oct 2020
Location: Bangkok, Thailand
Posts: 532
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Quote:
Originally Posted by KingLT1
It makes the sound significantly louder. Keeping the secondaries in place help tame it down some. The factory cat pipes are the main bottle neck in the exhaust system.
Here is a vid of the car when I had bolt-on primary cat deletes retaining the secondary cats and stock NPP.
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DAMN!!!
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