2005 - 2011 ( 987 )
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Order This File Ask a QuestionThe Porsche Boxster 2.9i 256hp (2005 - 2011 ( 987 )) produces 256bhp and 290Nm in standard form. Our Stage 1 ECU tuning file raises output to 275bhp and 310Nm, a gain of 19bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.