catalyst converter by pass ? -
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post #1 of 5 Old 04-13-2012, 06:00 PM Thread Starter
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2006 TJ Wrangler 
Join Date: Mar 2012
Location: clermont
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catalyst converter by pass ?

Does anyone know where I can get a cat converter by pass kit. For pipe and o2 sensors. ? A new cat is $380

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post #2 of 5 Old 04-13-2012, 09:15 PM
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2002 KJ Liberty 
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Illegal and can not be discussed on a public forum.Spend the $380 and fix it right.

'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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post #3 of 5 Old 04-14-2012, 08:15 AM
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1995 ZJ 
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Or spend $100 on a universal converter and weld it in.

You need a converter or you'll have an SES light due to the downstream O2 sensor.
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post #4 of 5 Old 04-14-2012, 10:49 AM Thread Starter
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2006 TJ Wrangler 
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Location: clermont
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Well I only use it off road. That's why I would by pass it. And I know they make o2 by pass harnesses for mustangs and others with off road pipes..
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post #5 of 5 Old 04-14-2012, 11:55 AM
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1995 ZJ 
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Well, you said its offroad only so, "offroad use only" should be ok to talk about and modify. test pipes (delete pipe) and simulators are probably what you are talking about. Catalytic convertors really are not a great idea for offroad use as they can run really hot and potentially start grass fires and such. So to decide if you want cleaner air or less of a fire hazard might be the decision.

I've looked them up before, so try google. You might include the word "simulator" in your search. Some people have had success using the spark plug anti-foulers in between the sensor and pipe. The anti-foulers are for spark plugs and the spacers you you would want would be for the bigger spark plug thread. These spacers place the sensor out and away from the exhaust stream so they might work maybe? Those spacers should be something a auto parts will have in stock.
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