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Denver/Boulder guys - passed smog with a test pipe.
And - come to find out the car is running really rich (6.6%). Are the smog requirements pretty low here, or do these cars just run pretty clean? Are any of you guys running without any smog equipment, a test pipe, a good tune, and still able to pass smog?
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88 Carrera - Venetian Blue
2002 Audi S4 Avant (KIA)
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