Jaguar XKR 4.2 V8 Supercharged 416hp ECU Tuning File

The Jaguar XKR 4.2 V8 Supercharged 416hp (All) produces 416bhp and 560Nm in standard form. Our Stage 1 ECU tuning file raises output to 470bhp and 650Nm, a gain of 54bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.