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Old 08-01-2024, 02:03 PM   #18
Z OH 6


 
Drives: 2021 Red Hot ZL1
Join Date: Sep 2020
Location: GA
Posts: 3,493
Quote:
Originally Posted by RobZL1 View Post
My opinion/experience-

This is my first catted setup. In my opinion, 2" CSP/Kooks headers with the GESI UHO Gen2 cats and the stock catback sounds exactly like the stock header/cat setup sounded (minus the additional minor header noises that come along with headers).

I was disappointed that the sound level didn't increase over stock.

I really want a Corsa NPP, but man, you are right- the prices are nuts! Can't justify it. Will likely just fab something up with a muffler and a bypass. There was a video on YT of a guy who cut open his rattling Corsa NPP muffler when they sent him another one to replace it. The internals were surprisingly simple compared to some of their older designs. Shocking how much they charge for the dang thing.
And what's worse, my Corsa Sport NPP exhaust had one exhaust tip that wasn't even welded on, it literally fell off into my hands as we were installing it and one of the other exhaust tips was welded slightly crooked. Not what you would expect for the price BUT it is a good exhaust QA issues aside.
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