Quote:
Originally Posted by Tweetdriver63
I have an 01 non-S. I'm debating what to do with my exhaust, because both cats are bad. If I replace the manifold/pre-cats with headers, deleting those cats, what do I do with the O2 sensors? How will it affect performance if the ECU isn't getting a signal from all of the sensors?
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It will go to a default signal that will be overly rich to protect the engine & that will lower the performance & lower gas mileage.
You want the smallest header tube size to minimize low RPM power loss.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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