Need more top end plus bottom end torque. The Leo Vince Exhaust for a GY6 50 engine will get you on your way. With style and tone your scooter will snap off the line with CVT tuning to match your new pipe. Running 6gram Dr Pulley Sliders as well as a 1500RPM torque spring combo'ed with Leo Vince Exhaust sia perfect start. With up jet and performance air filter upgrade is complete.
When used with a big bore kit the performance is greatly improved while helping to keep each cool.