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Order This File Ask a QuestionThe Chevrolet Trailblazer 2.8d 200hp (All) produces 200bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 230bhp and 575Nm, a gain of 30bhp and 75Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.