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CarreraS2 CarreraS2 is offline
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Join Date: Nov 2002
Posts: 1,955
I don't think a bad cat can RAISE your CO.

The cat is mainly for NOx. Even without a cat, a 911 can usually pass the stringent Calif. CO test WITHOUT a cat, if the car is tuned right.

I don't think your problem is your cat.
Old 12-31-2003, 11:26 PM
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