I recently found some one yesterday that can tune my 07 Grand Prix. Finally no more ****ty shifting or low rpms. Any type of PCM tuning would be great compared to the standard restrictive tuning the computer originally comes with on my 07.
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07-17-2012
I recently found some one yesterday that can tune my 07 Grand Prix. Finally no more ****ty shifting or low rpms. Any type of PCM tuning would be great compared to the standard restrictive tuning the computer originally comes with on my 07.
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