I saw the cervinis ad as well, but I am talking about the company "GT EFFECT". They are selling the wing, and say that it will fit 79-93 hatchbacks. but they don't have any pictures.
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Warmed over 302,
Edelbrock Carb, MSD, Accel, t-5 w/ frpp flywheel & clutch, Hurst shifter, traction bars, ds safety loop, subframes, 3.08 posi, shorties, H, and Flows. Same setup w/ auto netted a 12.54 @ 110.90
in a 300 lbs heavier car.
Can't wait till Spring for E-town.
1981 GT