Quote:
Originally Posted by skibum
I had an interesting break thru today while on the phone with PES. I was speaking with Tony and he told me that header & decat would not make the car run lean like an intake would. This was somewhat nice news to hear but I am still somewhat skeptical.
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It will run leaner with the header & exhaust, however as it is comprehended in the closed-loop control of the ECU, the car will adapt over time. with a different intake, the Mass-Air sensor diameter is changed and thus calibration of the closed-loop control is changed and no adaption will occur.