Passing Emissions with After market Cats - 6SpeedOnline - Porsche Forum and Luxury Car Resource

Apr 26, 2015 | 07:06 PM

trochlea

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Passing Emissions with After market Cats

Will the cars pass emissions with either 200 or 100 aftermarket cats and exhaust?

Apr 26, 2015 | 08:59 PM

BigRich

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I would think it would depend on the state, but if I was guessing I would think 200 cell cats would pass most tests. I'm sure tuners or other members will chime in from states with emission testing and help you out.

Apr 28, 2015 | 11:16 AM

SamboTT@ByDesign

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With good cats yes. Feel free to text or pm if you have any detailed questions.

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