GMC Savana 5.3 V8 310hp ECU Tuning File

The GMC Savana 5.3 V8 310hp (2003 ->) produces 310bhp and 453Nm in standard form. Our Stage 1 ECU tuning file raises output to 330bhp and 480Nm, a gain of 20bhp and 27Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.