As I suspected, the Aerokit parts provide no performance benefit. I will be removing the side skirts and the wing from the trunk lid to reduce weight. I plan to keep the fiberglass trunk lid in place.
Since the spec boxster guys run with the spoiler (Gurney Flap style?) in the up position does that mean there is some aero benefit there? Should i try to replicate that smaller projection from the trunk lid? Occasionally, I will touch 100-105 mph at the tracks i visit most often (Hallett and Barber) but not much over that. I'm guessing it wouldn't be worth the effort.
Assuming the track car survives intact, i plan to restore to original on day so i will be keeping all of the parts i am removing, including the Aerokit parts. Thanks for the interest and the advice.
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