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Old 09-17-2024, 09:29 PM   #7
arpad_m


 
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Drives: 2018 Camaro 2SS A8
Join Date: Jul 2017
Location: East Tennessee
Posts: 13,476
Quote:
Originally Posted by KingLT1 View Post
The Corsa while sounds amazing, definitely has a problem with their valve design. I am on my 3rd set of mufflers and have another valve rattling.

Corsa sent me a service kit that places a spring loaded washer on the button head end of the valve shaft. The problem is my valves are still the gen 1 that is all 1 piece. The last set of mufflers I received were supposed to be gen 2 which are serviceable.

So currently I am going back and forth with Corsa. Now they want to know if the car is modified...blah blah. Told them it's no different than a ZL1. Waiting to hear back.
This puts our struggle with stock NPP valves into perspective a bit... if Corsa couldn't fix this properly on their mega expensive exhaust kit, serviceable parts or not, in 7+ years, no wonder GM's design isn't perfect either...
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
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Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods
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