The Alfa Romeo Spider 2.4 JTDm 20V 200hp (All) produces 200bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 235bhp and 470Nm, a gain of 35bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.