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Max hp looks ok but those 2 dips that coincide with your mixture getting super lean look like a sensor issue to me. Wrong MAF for a modified intake tube? Wrong/aftermarket O2 sensors?
I would want to see a smooth mixture curve without this weirdness. Maybe plug-in your old aft O2 sensors and just dangle them under the car like the spec guys do sometimes. This may keep your DME from freaking out.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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