Thread: O2 Housing to downpipe gasket? O-Ring or 3 bolt?

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2010-03-14 17:19:04

gomba

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O2 Housing to downpipe gasket? O-Ring or 3 bolt?

I'm a little confused by which gasket is recommended to go between the O2 housing and the downpipe.

There's this:

J-Pipe to Downpipe Ring Gasket (DET Motor)

And then, of course, the 3 bolt gasket.

Which one is recommended?

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2010-03-14 17:36:06

Vadim

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I think the first one is good for stock down pipe only.

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2010-03-14 17:41:33

95b14

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I have a 3 bolt copper one on mine. No leaks t25 jpipe, 3" downpipe.

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2010-03-14 17:41:57

Benito Malito Online/offline status of Benito Malito is unknown

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Originally Posted by Vadim

I think the first one is good for stock down pipe only.

Exactly. I had ordered both and the donut gasket didn't work with my vrs downpipe.

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2010-03-14 19:00:08

gomba

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Originally Posted by Benito
Exactly. I had ordered both and the donut gasket didn't work with my vrs downpipe.

cool, thanks for the info! 3 bolt it is

Originally Posted by 95b14

I have a 3 bolt copper one on mine. No leaks t25 jpipe, 3" downpipe.

Where did you get it? Know the part #?

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2010-03-14 20:10:31

LikeTheMovies Online/offline status of LikeTheMovies is unknown

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also interested in one.

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2010-03-14 20:11:49

cortrim1

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I always used a copper 3 bolt. I have a v band on my new stuff.

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2010-03-14 21:33:17

akuma810

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I have 2 extra 3" 3 bolt copper gaskets if anyone is interested.

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2010-03-14 22:26:02

Savage

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I use the metal o-ring. No leaks.

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2010-03-14 23:01:19

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95b14

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Originally Posted by gomba

cool, thanks for the info! 3 bolt it is

Where did you get it? Know the part #?

I got it at a local speed shop. I think its a Mr. Gasket brand gasket iirc. Don't know about the part number either. I would imagine summit or jegs probably carries them if theres no speed shops by you.

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