Porsche vs Viper GT3 World Challenge Battle On The Streets Of Toronto

Porsche factory driver Nick Tandy drops into the Toronto Pirelli World Challenger double-header at Toronto, wins Race 1 and then tries to take Race 2 from the very fast factory Dodge Viper driven by Kuno Wittmer. The Viper GT3-R owns the straights, the Porsche GT3 R owns the corners and braking zones...which one will come out on top?