The Chrysler Pacifica 3.6 V6 287hp (2017 ->) produces 287bhp and 355Nm in standard form. Our Stage 1 ECU tuning file raises output to 305bhp and 375Nm, a gain of 18bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.