All
Ready to order this tuning file? Access the ByteFlash Portal to place your order.
Order This File Ask a QuestionThe Ferrari 456 5.5 V12 428hp (All) produces 428bhp and 490Nm in standard form. Our Stage 1 ECU tuning file raises output to 435bhp and 510Nm, a gain of 7bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.