hello all! i just completed my 6 speed swap in my 2003 4.2l s6. currently running oem euro manual file. i find the file a bit flat. Previous, when automatic, it was MTM tuned and was quite a bit snappier. But, they wont update my file for me. Does anyone tune these any more? would really like the car tuned again........ and, I'm in the usa..... no one here does anything for this car anymore...... thanks all!
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c5 s6 4.2 manual swap ecu tuning?
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