if i use the d/p and catback from ssautochrome do i need to put check engine light eliminators on and if so how many and where. i am kicking out code 0421 i think because my rightcat is messed up. if i hit it or start the car when its cold it has a bad rattle. thanks

 

I really can't understand what you are asking.

If you have a CEL that is from the post cat O2's then yea, the VAST Cel eliminators will work. If it's for something else, they they will not.

You only need 2 for the post cat O2's.

 

sorry, what i am saying is my cats are bad and i am getting a new setup from ssautochrome . do i need to get check engine light eliminators as a preventive measure. how may o2s are there i can only see two

 

there are 4 total i believe

 

I am not sure what you are trying to ask. But

there is 1 spot with 2 o2's that need the ele's if you don't have cats.

I don't know if this helps but if you get Dp's from vast I think it is like 400$ and you don't need ELE's or if you don't want cats I think they can make you a set with the ELE's in them so you don't get a code...or you can have them just turn off you CEL light like they did for me. : p

either way the cat back dose not effect the o2's

 

Go to autozone and buy some spark plug non foulers then use them to space the O2 sensor out of the bung. This work 90% of the time but you may throw a code sometime. I used this on my gst and worked like a charm.

How do you like the ssauto exhaust? I hear it drones badly mid rpm.

 

do i have to drill out the holes of the spark plug non foulersor do i leave the holes theway they are(small)?i need two and put them past the cats down stream, correct.

 

Yeah you only want to put them on the downstream sensor and I did not drill the holes when I used them.

 

I too am curious about how you like your SSA exhaust. Any chance you can get on a dyno with the new exhaust?

Also, is it common to get CELs after removing the pre-cats or if using a down pipe that doesn't have them? I'm trying to follow the conversation about his O2 sensors, but I'm confused as to why he needs CEL eliminators in the first place.