The latest generation in optimised 50cc cylinder sport exhaust systems. Yasuni is always striving to provide the perfect system for the relevant application. The Yasuni Cross MAX is as a moped exhaust, specifically designed for 50cc engines. This system is powerful and as a light version of the Cross HM is also easy on your wallet. Of course, the cross-MAX also runs very well on 70cc engines, but is also suited for those who do not have access to a 70cc cylinder. Headers in motocross style. The overview on Figure 2 allows a better assessment of the Yasuni Cross MAX exhaust system. This tuning exhaust is equipped with a high-quality aluminum silencer. All parts required for installation are included. Fits different Derbi Senda and Bultaco models. 28mm diameter outlet