Pontiac GTO 5.7 V8 350hp ECU Tuning File

The Pontiac GTO 5.7 V8 350hp (2004 - 2006) produces 350bhp and 495Nm in standard form. Our Stage 1 ECU tuning file raises output to 370bhp and 525Nm, a gain of 20bhp and 30Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.