2017 - 2020
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Order This File Ask a QuestionThe GMC Terrain 1.6d 137hp (2017 - 2020) produces 137bhp and 325Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 380Nm, a gain of 28bhp and 55Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.