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  1. KevinMar

    2006 GT SMOG Test Woes - "Modified Software" and PCM Removal

    Good evening everybody, We've owned our '06 GT for 15 years now, and bought it from its original owner. The original owner was a friend of ours and had the car modified by Speed Gallery where they fitted the Whipple 4.0L blower, an "850hp" tune, and removed the catalytic converters (but left...