6SpeedOnline - Porsche Forum and Luxury Car Resource - GIAC to COBB // Narrowband or wideband o2?

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aft86

11-18-2018 11:03 AM

GIAC to COBB // Narrowband or wideband o2?

Has anyone had any experience with going from GIAC to COBB? Will I have to send my ecu to giac to have them return it to stock so that cobb can be loaded in?

Also, does anyone know for sure if the downstream o2 sensors on the 991 are narrowband or wideband?I've searched and found the answer for older models but not specific for the 991.

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