passing emissions

mickey

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I live in the Chicago suburbs and here they make us emissions test our cars. what has to be done to pass emissions with an off road x/h pipe. I haven't modified anything yet just wonder for future reference. they make me test my DD every year and that's a 2002. Will mil eliminators help pass emissions? All they do is make sure all readiness monitor's are ran and no codes are present.
 

CC'S95GT

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you'll need to put cats on the car because there's a visual inspect they have to do as well plug into the OBD2 port.
If you don't have a CEL on, then mil eliminators were installed then the o/r pipe was installed
 

CC'S95GT

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I get sniffed in ATL too. For a couple years I changed back to cats for the E-test then changed back to the o/r pipe for the rest of the year.
I minimal gains with the o/r pipe. A little less in the low end, a little more on the hi end.

If your cats are shot, you could hollow them out and install mil-eliminators to keep the CEL off. But I would'nt suggest that with good cats.
 

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