well i had a crack in my exhaust manifold so today i was going to install an aftermarket greddy header. its the right size and everything but it looks like there are two o2 sensors in the stock exhaust manifold, and only one spot for them in the greddy header. am i seeing this wrong? if not what am i supposed to do with the other o2 sensor since i am pretty positive it is going to throw a code.

 

also if it doesnt have two spots like i am seeing can i tap the header to make a place for it??????

 

The other o2 sensor goes onto the catalytic converter.

 

thanks me=noob

 

so i went and looked again. is putting in the header gonna delete my cat? i wish i had pictures but it still looks like there is only one place to plug in an o2 sensor. do i need to install an aftermarket cat and exhaust also for this to work??? sorry just very confused on what i should do. really dont want a CEL. im sure i am just missing something

 

Wait, do you have the DX/LX engine? If so, yes it will eliminate your cat. You are better off either getting a custom cat or an EX/Si cat. Also, if you do have the DX/LX engine you are going to need an o2 sensor extender, you can try buying one on ebay or some performance website or making one yourself.

 

well damn thats a son of a b!tch. wish i would have known that. if i get that cat, wouldnt i also have to get a cat back exaust? (more money spending was not what i was looking to do)

 

well ok if i get a cat off of an ex it should pass smog tests pretty easily right? and if i do that with lets say a ws2 catback for my car it will fit on there right as in not be too long?