The Case Puma 160 6.7 Tier 4A 160hp (All) produces 160bhp and 767Nm in standard form. Our Stage 1 ECU tuning file raises output to 203bhp and 930Nm, a gain of 43bhp and 163Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.