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03-04 Rear bumper with diffuser schematic?

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anyone know where i can find a schematic of an 03-04 boxster rear bumper with diffuser? I am looking for the aluminum trim pieces. One of mine is damaged and want to find out how much to replace it. I am looking for the schematic so I can check on price for new part.

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I recently upgraded my 2000 Boxster rear bumper to the 2003-2004 look.  Here is a picture of the bumper I bought with the diffuser




The parts catalog does not show the 2003-2004 bumper but does differentiate the parts by the model year.


The only part that I am aware of that attaches to the bumper is the heat protection above the muffler tip.  It is part number 38 in this diagram and part number 986 505 811 02 for the 2003-2004 bumpers



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PET also indicates a different popup spoiler for 2003-4 cars ... is this required to match that bumper?


Also, FWIW, most publications indicate the styling slots in the newer bumper are included to aid cooling of the muffler, as the engines are more powerful than previous cars.  Not really the usual aerodynamic purpose of "diffuser," that is.

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