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paper flapping sound coming from the rear manifold

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gpgt2002

New member
I have a paper flapping sound coming from the rear manifold. I've gone through checked every bolt, new gasket ect. the noise is still there. Its a new manifold to
 


Manifold could be cracked. Not saying it is common but it is possible. Try a rear manny from a junkyard and toss it on there...also it could be the downpipe to manifold gasket and not the manifold gasket itself.
 
^^I hope that's a joke...the car would be louder if the resonator cracked or rusted open...the paper flapping sound is the basic knowledge of a bad gasket in the exhaust system.
 
Just get GM metal replacements or the metal ones from your local auto parts store for a few bucks
 


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