Stock TJ dual catalytic converters - JeepForum.com

 
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post #1 of 10 Old 12-01-2009, 06:47 PM Thread Starter
TJ311
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Stock TJ dual catalytic converters

I'm trying to find out what the stock dual catalytic converters coming off of the engine look like. I had mine replaced immediately after I bought my Jeep due to a check engine light and since then I've noticed the engine seems to be choking in moderately higher RPMs. Looking at partstrain.com, they have 2 different ones listed. A Catco and an Eastern Catalytic. The Eastern definitely seems like it would flow considerably better but mine was replaced with the Catco which is a pretty poor design. Now I'm curious what the stock is more like. Thanks!

Eastern Catalytic


Catco


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post #2 of 10 Old 12-01-2009, 07:10 PM
jeeper91
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i dunno but mine are definitely bad on my 04. need to get them replaced quickly... sounds like a nascar when i rev it up. good thing is im under 8 year 80k miles so the swapout should be free...
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post #3 of 10 Old 12-03-2009, 09:29 PM Thread Starter
TJ311
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Really? Nobody's snapped a picture of theirs?
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post #4 of 10 Old 12-04-2009, 01:27 AM
jeeper91
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if i remember correctly i think mine were the top ones...
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post #5 of 10 Old 12-04-2009, 11:40 AM Thread Starter
TJ311
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That would make sense. I can't imagine them putting something awful looking like the Catco on there from the factory. I may have that redone with some mandrel bends just for peace of mind.
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post #6 of 10 Old 12-04-2009, 12:37 PM
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Agreed, those Catco ones look like a kid made them in auto shop class...mine have burned on mud on them, but most def look like the top pic.

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post #7 of 10 Old 12-04-2009, 11:08 PM
87warrior
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post #8 of 10 Old 12-05-2009, 09:25 PM Thread Starter
TJ311
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Quote:
Originally Posted by 87warrior View Post
The best I have:
Judging by the size of the 2 cats I'd say those are like the Eastern Catalytic.
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post #9 of 10 Old 12-05-2009, 10:15 PM
flatlander757
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I think the 99 or something to 2002 had the Catco version, and the 2003-2006 had the Eastern version. Part of me wants to say that the 97-98 had more than 2 cats up there as well but that may be incorrect... I'm not as knowledgable on the earlier TJs.


I know looking under a friend's 99 TJ he had a different cat setup than mine(2003).

Mine look like the Eastern.

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post #10 of 10 Old 12-06-2009, 07:38 AM
4.0l sahara
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A 99 just has 1 large cat doesn't have the 2 pre cats.
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