words: Troy Sicotte, photos: George Achorn This story originally ran in the Winter 2018 issue of the Audi Club North America quattro quarterly print magazine. In order to subscribe to quattro quarterly, join the Audi Club North America HERE. We’ve all seen them on Instagram, earning an eager double-tap: Amazing hues of paint not seen on your everyday Audi with interiors featuring custom-looking two-tone leathers, stitching and piping on just about every interior surface. You should...