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ok i got a few questions. i have a 02 lx. and i bought a header off of a 04 ex, and i was going to do the ex exhaust, and i was reading about it a little and it said something about and 02 simulator, or extending the wires, i was thinking extending the wires but now im not sure, do you have to have an 02 simulator, and also i was wondering how do you extend the 02 wires?

come on somebody please help me with this.

 
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you need a o2 simulator if you're going to be running a highflow cat or no cat.

 
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ok so ill need an 02 simulator, will i still need to extend the wires, and if so how do i actually go about doing that?