With the Cross HM MAX exhaust Yasuni has bridged the gap between performance and practicailty in a moped exhaust for 50cc or 70cc bikes. Coupled with the excellent build quality from Yasuni and the wide range of applications, this system is a very good choice for those who like a little more grunt, but aren`t interested in outright maximum power.

Performance-wise identical to the SPR3 or HMR2 system, but with headers and cylinder in motocross style. The overview on Figure 2 allows a better assessment of the applications of the Yasuni Cross HM MAX exhaust system. This tuning exhaust is equipped with a high-quality, black anodized aluminum silencer. All parts required for installation are included. Fits different mopeds with Derbi and Morini engines. 28mm diameter outlet