Director wrote:
On the rear diffuser, I will reply presuming you are referring to the stock Rear Lower Wing Diffuser that comes from the factory on the 944 Turbo. The diffuser is not legal for other models in Super Cup for which the diffuser was not available from the factory on it production cars.
Thanks, Dave. It was actually a pretty substantial aftermarket one. Not this car, but this style:
Sounds like not only a no, but a heck no! Thanks for clarification on the wing, as well.