Isuzu Ascender 5.3 V8 305hp ECU Tuning File

The Isuzu Ascender 5.3 V8 305hp (2003 - 2008) produces 305bhp and 447Nm in standard form. Our Stage 1 ECU tuning file raises output to 325bhp and 465Nm, a gain of 20bhp and 18Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.