I could never understand the appeal of PCCB. The advantage advertised is they last longer, don't fade under extreme heat and they are lighter than steel. All these are important for high performance driving. Just cruising on a highway or driving in the city? Don't need them. However seems Porsche won't warrant them for track use? Have they become just eye candy then? That kinda goes against Porsche principles. I think that if they charge such premium price for them they should warrant them for track use. The only exclusion would be modifying the car with aftermarket suspension, power mods etc.