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Old 05-18-2020, 09:10 AM   #1
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Cat delete: What todo with cat 02 Sensor?

So, If I install headers the delete 02, or install Cats that delete 02 what do you do with the electrical sensor?

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Old 05-18-2020, 10:22 AM   #2
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unless tuned for it, you will need to free-air the sensor. Just tie them up and out of the way.
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Old 05-18-2020, 01:21 PM   #3
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Quote:
Originally Posted by Ciao View Post
So, If I install headers the delete 02, or install Cats that delete 02 what do you do with the electrical sensor?
Are you deleting all 4 cat's ?
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Old 05-18-2020, 03:55 PM   #4
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Are you deleting all 4 cat's ?
I am thinking of deleting only 2; either the rear or the header cats, but not all 4 in order to remain emission compliant
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Old 05-19-2020, 10:29 AM   #5
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I am thinking of deleting only 2; either the rear or the header cats, but not all 4 in order to remain emission compliant
In that case I would delete the front cats. If you buy headers with O2 bungs it will help get the most accurate air/fuel mixture. I have a O2 sensor extender kit I made when I had headers on mine.
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Old 05-19-2020, 11:18 AM   #6
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In that case I would delete the front cats. If you buy headers with O2 bungs it will help get the most accurate air/fuel mixture. I have a O2 sensor extender kit I made when I had headers on mine.
That is helpful; what is an 02 bung?
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Old 05-21-2020, 10:42 AM   #7
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The threaded hole that you install the sensor into.

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