Pontiac Grand Prix 3.8 Supercharged V6 240hp ECU Tuning File

The Pontiac Grand Prix 3.8 Supercharged V6 240hp (1997 - 2003) produces 240bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 260bhp and 410Nm, 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.