The Tecnigas Next-R suitable for GY6 50cc 4-stroke and 4-stroke engines Kymco. This exhaust has a good energy yield with relatively low sound. In terms of performance, the next-R exhaust system on the LeoVince TT to locate parts. The Tecnigas Next-R system is delivered with all necessary parts for installation and brackets. In addition to the exhaust manifold is still a sentence in harder clutch springs. Thus, the stall speed must be increased. Without E-certification.