2013 ->
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Order This File Ask a QuestionThe Infiniti QX70 5.0 V8 390hp (2013 ->) produces 390bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 417bhp and 532Nm, a gain of 27bhp and 32Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.