The Japanese aftermarket company Speedmagic SE prepares the racing SX-R of the two times World Champion Seiko Osawa. This year they were most probably the only tuner that used a set of twin pipes to the Limited Pro Am women class. The team was struggling with the set up of these pipes since they appear to produce a flat spot in power delivery at mid rpm. By using various solutions the team tried to improve power delivery and throttle response across the rpm range. Finally, where the twin pipes the reason that took Osawa out of the podium?
