2004 - 2011 ( 997 )
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Order This File Ask a QuestionThe Porsche 911 GT3 3.8i 435hp (2004 - 2011 ( 997 )) produces 435bhp and 430Nm in standard form. Our Stage 1 ECU tuning file raises output to 455bhp and 450Nm, a gain of 20bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.