| Hi... Just took my Z to be inspected in NJ. I ran a 2.2 CO2 level when 1.2 is standard. My car is mostly stock just a catback, intake and pulley. Are there any cons to trying this product? (If there are any at all I wouldn't risk it) *The feedback I found was inclusive What could be causing this?
I read my AIV system might be what causing this. Any other ideas? TIA
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