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Exhaust Leak repair


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Posted

I have identified a large exhaust leak before the flex joint on my 2008 Sierra Denali.  Does anyone know if there is a gasket as GM parts drawing does not indicate it?  Also if there is not a gasket how can I repair the flange leak?  I have attached pictures.

 

Thanks

 

20181023_104933_resized.jpg

20181023_085331.jpg

Posted

did you take it off and put it back on?  I've put several aftermarket exhausts on with aftermarket y pipes and I never had that issue.  I would hate to do it, but gasket maker may work?

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