2017 ->
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Order This File Ask a QuestionThe Toyota Highlander 3.5 V6 249hp (2017 ->) produces 249bhp and 356Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 377Nm, a gain of 21bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.