Project WRX V.08 - Tech
The vacuum-formed Airtab vortex generators were designed for flat surfaces, like on a tractor/trailer. To mold the pieces to the WRX's roof curvature, we first covered the sections in foil and marked the mounting locations. Then using Bondo and some pressure, we added material to the trailing end of the Airtab. Once dry, the extra Bondo peels away from the smooth plastic sides easily. With some clean-up and paint, the vortex generator sticks to the roof with the double-sided tape already attached to the bottom.
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