957 - 2007 - 2010
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Order This File Ask a QuestionThe Porsche Cayenne GTS 4.8 V8 405hp (957 - 2007 - 2010) produces 405bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 425bhp and 535Nm, a gain of 20bhp and 35Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.