ABT Sportsline Readying Modified KTM X-BOW with 300HP .fullpost{display:inline;} As well as announcing the availability of KTM's unashamedly sportsbike-inspired X-BOW from its dealerships, VW Group tuning specialist ABT Sportsline, also revealed its plans to develop a more powerful version of the open-top road-racer. In standard form, the X-BOW is powered by