Can i remove one converter? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-02-2009, 12:19 AM   #11
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Honestly I don't know what you mean by a "pre-cat" system.
A pre-cat system has a cat at the exhaust manifold dumps and one more cat down stream on the exhaust. Many of the larger newer V-8'* have them.

Can you take some clear pictures of what it is your are looking at? A couple of us are kinda confused and we want to help you, but not give you bum info on what we think it is.
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Old 05-02-2009, 12:24 AM   #12
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Can you take some clear pictures of what it is your are looking at? A couple of us are kinda confused and we want to help you, but not give you bum info on what we think it is.
I can try but it may be a couple of days before I can get to it.
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Old 05-02-2009, 12:25 AM   #13
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I can try but it may be a couple of days before I can get to it.
We will be here!
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Old 05-02-2009, 11:11 AM   #14
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What would happen if I replaced the converter, removed the resonator, and welded an o2 bung into the exhaust pipe? Will this work or is this just a stupid idea?
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Old 05-02-2009, 11:27 AM   #15
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That will work just fine. But as I said, that will make the tone more raspy.
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Old 05-02-2009, 11:28 AM   #16
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You can replace the converter. I did mine and went with a Goerlich Hi-Flow. I also removed the resonator and kept the rear O2 sensor. The resonator just removes some of the raspy sound that V-6'* seem to produce. This is what my exhaust sounds like with Magnaflow mufflers Magna Flow Mufflers and Hi-Flow Cat on Flickr - Photo Sharing!
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