Since I live in a area that has no emissions testing requirements I wanted to delete my catalytic converter. I noticed there is an o2 bung on the new replacement pipe. Since the o2 sensor is on the manifold, and there's only one, can I move it to the new "cat" without any issues? I would think so. If for nothing else, it'll be easier to access should it need changing.
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O2 sensor relocation
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When I replaced our A1 exhaust manifold with an a4 I just extended the wires so the O2 sensor would reach the new location. It worked fine. I agree with Deeve. There is no good reason to remove your cat. It really doesn't restrict flow and it keeps bad crap out of our air.==========================
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Originally posted by deevergote View PostExtending the wires could potentially change the resistance, which could result in improper sensor function.
Also, there is no good reason to delete your catalytic converter. Ever.
You can buy the proper extension. One comes with the DC Sports header. You can buy just the extension.
DC Sports RHWA-002 30" 4-Wire O2 Sensor Extension.
I purchased one on Amazon in 2017. $24.99 shipped. Don't quote the exact part number but it might be just what you need. There are a couple different ones as I recall. I used the abformentioned when relocating the O2 on an F22A1 to the F22A6 location.
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