[gallery link="none" columns="1" size="full" ids="65707"] source: Audi AG Audi customer team Hitotsuyama celebrates class victory in Super GT Audi Sport Asia Absolute wins China Endurance Challenge title Hu Bo is the new GT4 champion in GT Super Sprint Challenge Successful weekend for Audi Sport customer racing: In addition to Ricardo Feller and Christopher Mies winning the International German GT Championship in the ADAC GT Masters, Audi customer teams also celebrated further victories and...