Audi S6 4.0 Tfsi 420 Hp remapped to 517 Hp & 722 Nm. Posted byStef + Thursday July 27th, 2017Wednesday July 26th, 2017 We remapped this Audi S6 4.0 Tfsi 441 Hp & 604 Nm to 517 Hp & 722 Nm of torque.