Not_An_Abba_Fan
Exhaust Guru
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There are no 100cpsi cats that are street legal (that is, meets EPA requirements).
Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
Na, you got them the wrong way around, 100cpi is higher flowing than the 200.
There are no 100cpsi cats that are street legal (that is, meets EPA requirements).
Hey mate, the 200cpi are legal then?
Also, just out of curiousty have you had your car dynoed? What power is it making?
Cheers,
Izzy
My 200cpi cats are legal as far as I know. I was just pulled up the other week and the police stuck some sort of infrared thermometer on my cat to check to see if it was working and I passed - though I haven't had a EPA emissions test done.
I have had my ute on the dyno and it's pulling 237KW at the wheels.
And yes i was referring to the exhaust equaliser when talking about H and X pipes - X is so much better - a little bit quieter compared to the H setup too.
And to explain the cats, CPI stands for something like cells per inch. The higher the number obviously the better the filtering capability, but less flow.