The new Tecnigas product for the start of the 2009 season: The TREK exhaust. A further development on the well-known Tecnigas TEK exhaust. The “R” describes the racing characteristics of the Trek Racing exhaust. Compared to the other model, this uses 4 instead of 6 segments and is carefully welded, giving you more performance. Tecnigas Racing Exhaust System combines expertise with low sound at a reasonable price. TREK is the ideal exhaust for 50cc original cylinders and 70cc sport cylinders to Medium race. Comes with aluminium silencer high-quality "Hard Anodized" look. Comes with E-certification: You can use the Tecnigas TREK exhaust system on public roads general operating permit (ABE) is issued for Yamaha Aerox and MBK Nitro.