With the "Q-TRE" series from Tecnigas, we can offer you very affordable sport exhaust systems for many common models. Performance-wise, these are on a similar level to the Leo Vince TT. These systems work very well in combination with 50cc stock cylinders, 17.5mm carburetors, and a sport variator. Delivery includes matching exhaust gasket.Approval: E-approval Comparison numbers: Neu & Originalverpackt.