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spyerx spyerx is offline
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Join Date: Apr 2013
Location: SoCal
Posts: 894
It would pass with a tune unless your OEM indicators are set disabled. Typically tunes will disable check for o2 sensors and if those are inactive it will fail smog.

My 997rs i have a Cobb and can go back to stock easily even though the standard tune keeps o2 enabled and will pass fine.

You can get a simple odbii reader and check these yourself.
Old 11-27-2019, 07:15 PM
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