The Dodge Magnum 3.5 V6 254hp (2005 - 2008) produces 254bhp and 339Nm in standard form. Our Stage 1 ECU tuning file raises output to 275bhp and 360Nm, a gain of 21bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.