958 - 2010 - 2014
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Order This File Ask a QuestionThe Porsche Cayenne GTS 4.8 V8 420hp (958 - 2010 - 2014) produces 420bhp and 515Nm in standard form. Our Stage 1 ECU tuning file raises output to 440bhp and 540Nm, a gain of 20bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.