Anyone have tricks to pass smog. I have an intake, y-pipe, B-pipe, 5th gen muffler, and a stock cat. I don't think my car was warm enough (the place was 3 miles away and took about 10 minutes to get there), but I want to make sure the second time around. I was running a full tank of 91 Chevron gas and my car was sitting for 2 days. I'm curious about those "emissions-passing" additives, and what brand gas and octane to use. I'm going to reinstall the stock intake, but I'd rather leave the Y-pipe on. Any advice would be appreciated.

 

10 minutes is not long enough for warm up time. More like 30 with a y-pipe since it doesn't have the pre-cats.

 

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