It was tested extensively for well over a year
by the likes of Jo Siffert and
Mark Donahue, and Porsche tried out a
huge amount of modifications.
And, as if this wasn't bad enough, sometimes this
huge profit «tool» (the second sticker) wouldn't even show anything tangible being added to the car, just the letters «A.D.M.U» (which stood for Additional Dealer
Mark - Up) or the words «Market Value Adjustment» followed
by a dollar
amount that could oftentimes exceed $ 1,000.