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I just bought a OBX header and a mbrp exhaust. The exhaust will get rid of my cat. and in NC we have emission test. So here is my question how do i get a the rear o2 sensor to show everything is working good for when they inspected my car. I heard of a Smart connector and for the header what 02 sensor do i use for it.
 

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you can try the mechnical CEL fix, a member named SYZ wrote it up.
 
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