The Case Magnum CVT/CVX 280 8.7 Tier 4B 280hp (All) produces 280bhp and 1381Nm in standard form. Our Stage 1 ECU tuning file raises output to 350bhp and 1680Nm, a gain of 70bhp and 299Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.