2008 ->
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Order This File Ask a QuestionThe Dodge Challenger SRT 392 6.4 V8 485hp (2008 ->) produces 485bhp and 644Nm in standard form. Our Stage 1 ECU tuning file raises output to 505bhp and 665Nm, a gain of 20bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.