Custom-vehicle unveils of Ringbrothers’ Octavia, a 1971 Aston Martin DBS, and Classic Car Studio’s Effy, a 1956 F100 Ringbrothers' OCTAVIA - 1971 Aston Martin DBS Gentex's booth at SEMA will feature the unveil of Ringbrothers' OCTAVIA, a fully bespoke 1971 Aston Martin DBS. Gentex GNTX-R Automatic-Dimming Mirror Gentex is launching an automatic-dimming rearview mirror for the aftermarket designed specifically for custom car builds, supercars, tuners, imports, drift cars and prototypes. Available throu ...