MAJOR Exhaust leak - part numbers please [Archive] - GrandAmGT.com Forum

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Breadfan
05-24-2005, 03:23 PM
I have a majore pre-cat exhasut leak. I'm assuming it's one of the gaskets in the downpipe connecting the manifolds to the cat downpipe.

Can you guys please provide part numbers of all manifold gaskets? (Can you also list the donut gasket for the downpipe as well as the actually manifold-to-heads gaskets.)

I'm sure people have gotten these if you've done headers.

My car sounds like a boat at idle (cool!) but crappy when hitting the gas...

SilverGAGT04
05-24-2005, 06:30 PM
Ive also seen the crossover pipe crack causing this.

Breadfan
05-24-2005, 08:42 PM
OK I'll have to check that...it seems to sound like its from behind the engine. Anyway, it was leaking for about a month or so...was driving to my parents house this weekend and 10 minutes into my drive whatever was leaking blew out...leads me to believe it's a donut gasket.

Breadfan
05-25-2005, 07:37 AM
I believe these are it:

manifold to downpipe: 24505057


downpipe (dealer called it "a-pipe") to cat: 22545047

By the way, someone with such powers may wish to move this to the part numbers forum...I totally missed it when creating this thread.