So heres the deal i have a 00 ek with a 97 gsr swap. It does not have a cat, has dc headers, and aem intake. I dont want to get it passed illegally. I want to BAR it and of course smog cuz its due next month, so i need a cat obviously.

So my question is do i just get a cat and have it welded on?
What kind of cat do i need?
thanks

 

Well if my memory dont serve me wrong, i believe to bar the engine it has to be the same year as your chasis or newer. So there is your first problem. I could be wrong or you could be lucky and they wont check the stamp on head. I also believe you need a cat for a integra.

 

so do i just buy an integra cat and have it welded it on ??

 

you need 00' swap to get it bar'd and the rules have changed alot its getting harder to bar swaps no way to fly straight with what you have.

 

i wouldnt weld it you should get a bolt on one and cut the other piece and swap it back once youve smogged it. thats what i would do

 

u need a same or newer obdII engine bruh. i seen u live in cali so yeaaaaa BAR is a no no for u

 

ok so getting it bard is outta the picture, but i still need to pass smog...

would i buy a gsr cat and bolt it on?
obd1 or obd2?
and would it pass cuz their going according to civic preferences when i have a gsr.

 

Well since you cant bar it, and replacing cat would be more $. I would just get someone to pass it.

 

well that can get a bit pricey. it would be cheaper to buy a used cat bolt it on and smog.

but i dont know what obd cat to get since its a gsr in a civic

 

well first off u cant buy a used cat it is illegal in Cali to sell used cats. you cannot bar ur civic because of veh/engine year. what i would do is go to a shop that sells cali certified replacement cats and have them put one on, smog it and see if it passes... the smog tech will tell u to go home untill u have a legit cat... start there. make sure you have your evap system still in and operational in your vehicle, no CELS, if you do dont try and pull a bulb or fuse, he has to hook a scanner to it.. this will get you to wear u need to be