Chevrolet Monte Carlo SS 3.8 Supercharged V6 240hp ECU Tuning File

The Chevrolet Monte Carlo SS 3.8 Supercharged V6 240hp (1997 - 2005) produces 240bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 420Nm, a gain of 40bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.