Audi and art? Those two worlds aren't ones we'd necessarily lump together. But the luxury car-maker's done just that, collaborating with Slot Mods USA to create the "quattro experience," an installation replete with remote controllable A4 replicas and a custom track. Let's be clear, though, this is no mere hobbyist recreation. As the accompanying mini-documentary shows, the team behind this project not only put great care into constructing the 20ft x 7ft custom track with the right bends, it also faithfully crafted the slot