GMC Savana 4.8 V8 275hp ECU Tuning File

The GMC Savana 4.8 V8 275hp (2003 ->) produces 275bhp and 393Nm in standard form. Our Stage 1 ECU tuning file raises output to 295bhp and 415Nm, a gain of 20bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.