2014 ->
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Order This File Ask a QuestionThe Chevrolet Silverado 6.2 V8 420hp (2014 ->) produces 420bhp and 609Nm in standard form. Our Stage 1 ECU tuning file raises output to 440bhp and 640Nm, a gain of 20bhp and 31Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.