2015 ->
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Order This File Ask a QuestionThe Chevrolet Suburban 6.2 V8 420hp (2015 ->) produces 420bhp and 623Nm in standard form. Our Stage 1 ECU tuning file raises output to 441bhp and 657Nm, a gain of 21bhp and 34Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.