2003 ->
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Order This File Ask a QuestionThe GMC Savana 6.0 V8 342hp (2003 ->) produces 342bhp and 506Nm in standard form. Our Stage 1 ECU tuning file raises output to 360bhp and 530Nm, a gain of 18bhp and 24Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.