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 black anodized aluminium silencer.