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Old Feb 15, 2017 | 07:15 PM
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hey all, just got a used ls6 manifold and noticed the "foam" underneath(see pic)

isn't there, is it necessary and where/what would I use? Thanks.
EDIT, this is a generic pic, not mine. intake I just bought the foam is missing.

Last edited by blue09rocket; Feb 15, 2017 at 09:52 PM.
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Old Feb 15, 2017 | 07:45 PM
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What do you mean where/what should you use?

Not %100 necessary but does protect the knock sensors from grime and water.
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Old Feb 15, 2017 | 08:02 PM
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you are using new intake gaskets .......they come with new foam ( at least the fel pro ones do ) old gaskets are flatter than a 10 yr old girls chest.....and worthless
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Old Feb 15, 2017 | 08:55 PM
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If you are looking for something to add, Heatshield Products makes a thermal insulator that can be placed under the manifold.
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Old Feb 15, 2017 | 09:29 PM
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98Cayenne, meant where would I get said foam, or what type of foam is it?
want to protect the knock sensors as you said.
but thank you all for the responses.
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