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Old 09-15-2022, 02:21 PM   #1
Calnorb
 
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Underhood insulation missing

I noted before that on my 2022 ZL1 (I took delivery on Nov.6 2021), there is no underhood insulation. I thought this is normal but then I saw pictures of ZL1s that have it. I read on GM Authority, that some were built without due to supply chain problems, does anybody know more? Can they get retrofitted?
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Old 09-15-2022, 03:54 PM   #2
SOCAL.M6.ZLE
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When you say underhood... do you mean literally attached to the bottom of the hood? If so, I dont think that was ever included, at least not on ZLE
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Old 09-15-2022, 04:12 PM   #3
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I have never seen a ZL1 with the underwood insulation.
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Old 09-15-2022, 04:51 PM   #4
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Quote:
Originally Posted by Calnorb View Post
I noted before that on my 2022 ZL1 (I took delivery on Nov.6 2021), there is no underhood insulation. I thought this is normal but then I saw pictures of ZL1s that have it. I read on GM Authority, that some were built without due to supply chain problems, does anybody know more? Can they get retrofitted?
As far as I know, the 6th gen ZL1 never had underhood insulation and the supply chain issue affected only lower trims. Are you sure the ZL1 photos you saw had OEM insulation?

Also, this would actually make less sense on a ZL1 with its high strung supercharger, hot engine bay and most people wanting to hear the S/C whine "unmuffled".
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Old 09-15-2022, 06:41 PM   #5
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My 2017 ZL1 doesn’t have any under hood insulation and it’s stock.
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Old 09-15-2022, 07:04 PM   #6
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Neither does mine. 19 ZLE.
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Old 09-15-2022, 07:23 PM   #7
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No insulation.
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Old 09-15-2022, 07:28 PM   #8
george
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2017 ZL1, Stock, None in mine
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Old 09-16-2022, 07:31 AM   #9
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Neither does my 2017
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