Electrikhana 2 shows Ken Block in his final Gymkhana video

Ken Block is back for one final chapter of Gymkhana, the series that started out as a video of him behind the wheel of a Subaru Impreza WRX STI practicing for rally racing, which he just so happened to upload to the Internet. The latest installment is “Electrikhana 2: The Mexico City Sessions,” which sees the late rally driver and…