No sorry, no pictures of the inside of the apron.
Basically trimmed the upper edge of apron back so that it sits just outside the lip on the inside edge of the rear bumper, then drilled and screwed the two together with self tapping screws along the long side of the bumper. For the sides that wrap around the quarter panels, I clamped the two pieces together and fiberglassed them. I also made a metal bracket that holds the two together to reinforce the fibreglass.
Obviously all of this has to be done off the car.
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