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Y-pipe question

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Y-pipe question

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Jun 1, 2004 | 01:06 PM

#1

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Y-pipe question

Got my Kooks catted y-pipe, still waiting on my 1 3/4-1 7/8 stepped headers. My y-pipe has threaded fittings just after the cats. What is this for? none of the other pics of y-pipes(other brands) have had these? I ordered 02 sensor extensions and I assumed the the sensors where on the headers? Can anyone tell me the deal?

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Jun 1, 2004 | 01:30 PM

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From: Northern Va

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rear o2 bungs so you can run o2 sensors behind the cats, instead of running simms.

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Jun 1, 2004 | 01:47 PM

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Originally Posted by slik98z

rear o2 bungs so you can run o2 sensors behind the cats, instead of running simms.

What if I don't want to run sensors and just want to delete the rears? How do I plug the holes?

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Jun 1, 2004 | 05:27 PM

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That is where the rear o2's go. You can cut off the wire and just re-install the sensors. You need to run sims or delete them with LS1 Edit.

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