Smog Results

JERM

Registered
I took my mark in for a smog and i was very surprised by the results. Not bad for not having the 3rd cat.
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i'll have to see what my last sniff test was without the third cat. I have a before and after third cat removal but I'll see how it compares to yours.
 
Not bad.

I believe the third cat is for start up - when the engine is cold. Since they only test a warm engine, the 3rd cat is inconsequential.
 
i believe when i compared mine before and after third car removal some numbers were up to three times as high. It definitely made a difference but it was still well within spec.
 
Dang hardly any HC's! Thats awesome, that means your other cats are working great!
 
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