Porsche said my skid plate is aftermarket?

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Originally Posted by eightsandaces

If they fit like mine they can, simply grooved rubber press fit.

Yes, those rubber flappy things are air cooling ducts. They are very close to the ground so pretty easy to lose if you go over a dead opossum or something. just pick up a new set, jack up the rear of the car, set your jack stands, and refit them. A little plastic Porsche body pin snaps in to hold them.