Add a laptop, and yep, that's all you need to data log, which will tell you how everything is running.
Then you can decide what to do based on that. The $750 is for an AP and a couple hours of tuning by a professional. This custom ECU tuning is called a Protune by Cobb and is a fairly new addition to the AP's list of features.
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Slow and low, that is the tempo.
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