Smog equipment Q's [Archive] - Forum


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07-22-2008, 09:40 PM
So as you may of read Im trying to become CA smog legal. My engine is stock I just have a mean full header exuast which is keeping me from passing. So Im throwing the stock manifolds on and replacing a few other things and I need help.

Ive blown my engine 3 times and my cats are high flow so I need stock new ones. I got my car with the exaust,, so my question is. How many cats come on a stock grand Am GT that way I can order them tonight, cause I need new ones.

I need 02 sensers as well, I know I need 2 of them but what size do i need.

Any other sugestions to pass CA smog

07-22-2008, 10:06 PM
there is only one cat >_>,15900117//shopping/partTypeResultSet.htm

07-24-2008, 12:16 AM
I ordered a new cat a universal one, will i just be able to cut and weld it on?

07-24-2008, 12:53 AM