The Case Magnum 260 8.7 Tier 4A 257hp (All) produces 257bhp and 1267Nm in standard form. Our Stage 1 ECU tuning file raises output to 330bhp and 1600Nm, a gain of 73bhp and 333Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.