2011 ->
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Order This File Ask a QuestionThe Jeep Grand Cherokee 5.7 Hemi V8 360hp (2011 ->) produces 360bhp and 529Nm in standard form. Our Stage 1 ECU tuning file raises output to 380bhp and 550Nm, 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.