50/70cc Mid-race Performance Exhaust HP Figures

Taken from the Scooter-attack catalog with dyno sheets to prove.

All of the exhausts were tested on a Stage6 Racing 70cc kit and a 17.5mm carb. The cost of the 70cc kit is about £107 and it's a 1 ring aluminium cylinder.

The list isn't really in any sort of order.

Yasuni C16 - 13.22



Malossi MHR Replica - 10.55



TopPerformances Nardo - 12.62



Polini For Race - 12.03



Yasuni R - 10.45



Metrakit SP - 11.05



Stage6 Pro - 10.85



Tecnigas RS 70 - 10.55