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Old 12-02-2009, 08:52 PM   #16
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Originally Posted by seige123 View Post
I'll do the 2nd o2 from what tom said for now. I live in illinois and its illegal to remove the cat but I have gone to do my emmision testing and they do not check under the hood or sniff the tail pipe. They just do the obdII. So I think I would be fine as long as I do not get a failed signal on the o2 sensor readings, which from what Tom said, it should not be a problem if the rear o2 sensor is disabled (this I have to test out unless someone has done it already in illinois).
Also, Im just setting up for a turbo in the future and a header would be a waste of money for me unles I get another focus or I could sell it locally...
You are right on IL my buddy has a 2.3 swaped turbo focus which has a cut off after the down pipe and he passed emmsions in IL

I am emissions certified and In IL what they told me about people like us" that cheat the test" is that is to small of a percentage to worry about

So if ur in IL and the tune disables the rear O2 you'll be fine
2.5 swap underway
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