2005 - 2011
Ready to order this tuning file? Access the ByteFlash Portal to place your order.
Order This File Ask a QuestionThe Jeep Grand Cherokee 5.7 Hemi V8 357hp (2005 - 2011) produces 357bhp and 527Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 545Nm, a gain of 18bhp and 18Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.