Chevrolet Colorado 5.3 V8 300hp ECU Tuning File

The Chevrolet Colorado 5.3 V8 300hp (2003 - 2012) produces 300bhp and 434Nm in standard form. Our Stage 1 ECU tuning file raises output to 320bhp and 455Nm, a gain of 20bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.