Well I just got back from having my cars emission done and it failed. I am starting to think it is the cat. So does anyone happen to know the stock exhaust size? I have a high flow 2.25" cat I ran on my saturn for like 2 months. So i figure that could be a cheap fixer.

 

From what I remember I think it's 2.5", could be wrong though.

 

wow....so do people run 3" cat backs on na's as an upgraded exhaust?

 

I'd rather just get the racingbeat full exhaust system
(yay no E-checks!)

 

The exhaust is about 2 1/8" until the y-pipe.

 

wanna buy me one while your at it? hahaha

Well I noticed I am also missing my air pump . Do you guys think it is still possible to pass emissions(with out paying the guy off).

 

Probably not. Rotaries have particularly nasty emmissions, and the extra air is needed to help the catalyst process. It also keeps the cat from burning up.

 

I think I have heard of a couple people doing that. But unless you have a turbo I don't see any benefit to it.

 

i feared that. Well good thing I work nights off to the junk yard in the morning