The Tecnigas Next-R is a well-proven and all-round exhaust for 50cc or 70cc sport cylinders. This exhaust has a good performance yield at relatively low range and sound levels. In terms of performance, the Next-R system is an improvement over the Leovince TT and, with the correct tuning, can reach over 9bhp. This Tecnigas Next-R system is delivered with titanium anodized aluminium silencer, complete chrome expansion chamber and all needed fittings and brackets. The chrome version of the next-R is not only a successful design, but also features long-term protection against corrosion. This Tecnigas exhaust is E-certified .