Ken Block’s partnership with Audi has gone beyond modifying cars to building the one-off S1 E-Tron Quattro Hoonitron for Block’s upcoming “Elektrikhana” video. Block recently showed off this unique build in a deep-dive video. Unveiled in December 2021, the Hoonitron S1 is a tribute to the Audi Sport Quattro S1 E2 Pikes Peak, which dominated the…