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Old 10-21-2008, 08:36 PM   #1
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Question Exhaust Pipe Gasket material ?

So I need to replace the gaskets on my 2.5 'very high flow catalytic converter'.

I've been searching ebay and found 2 types of material. One that is straight aluminum and one that has aluminum with a cardboard-ish material on each outter-side.

Any opinions either way?

Any help on finding a good deal for 2 of them would also be apreciated.
Thanks in advance.
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Old 10-21-2008, 09:26 PM   #2
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Just use tinfoil d00d.

I recall mine being sort of a perforated aluminum with a thin piece of cardboard material in the middle.
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Old 10-22-2008, 11:03 PM   #3
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Either one would work fine. I would personally just go with the cheapest one. The aluminum should crush and hold the seal either way.
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Old 10-22-2008, 11:53 PM   #4
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Use RTV, black or copper. It works fine that far down as long as fitment is good, just be sure to keep it thin.
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Old 10-23-2008, 12:16 AM   #5
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stove pipe sealer (rutland) @ the hardware store
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Old 10-23-2008, 02:40 AM   #6
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Quote:
Originally Posted by m2cupcar View Post
stove pipe sealer (rutland) @ the hardware store
Wonderful idea...I gotta drive by an ace on the way to my internship tomorrow too
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Old 10-23-2008, 10:32 AM   #7
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Just use care when loading up a flange that's pre cat (actual catalytic converter) since the stuff hardens and will wind up at the front of the cat.
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Old 10-23-2008, 11:30 AM   #8
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I'm going to have to look into that pipe sealer.
I have used "red" RTV sealant with good results on flanges downstream of the Cat. Stays flexible and withstands the heat. Just don't expect it replace the gaskets. I use in conjuction with the gaskets.
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Old 10-24-2008, 06:07 AM   #9
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I also have never heard of this sealer. IF this looks over a gasket, hat could save some money for sure.
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Old 10-25-2008, 08:15 PM   #10
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Sweet! Thanks for the ideas guys!
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Old 10-28-2008, 04:08 AM   #11
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Aluminum would hold up better, non metal type blow out after awhile
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