The Case Maxxum 145 4.5 Tier 4A 145hp (All) produces 145bhp and 650Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 740Nm, a gain of 30bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.