2004 - 2011 ( 997 )
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Order This File Ask a QuestionThe Porsche 911 Carrera GTS 3.8i 408hp (2004 - 2011 ( 997 )) produces 408bhp and 420Nm in standard form. Our Stage 1 ECU tuning file raises output to 425bhp and 445Nm, a gain of 17bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.