exhaust Yasuni SPR3 aluminum for Aprilia RX, SX, Derbi R, SM, Gilera RCR, SMT

The exhaust system SPR3 Yasuni creates a balance between a performance-driven moped exhaust for 50cc and 70cc engines. Excellent Yasuni quality, together with a wide scope for installation, this is a good choice for those looking for performance, but do not want maximum power. The chart in Figure 2 provides a better idea of the applications of Yasuni SPR3 plant. This tuning exhaust is equipped with a high-quality aluminium silencer. All necessary parts are included. Adapts to different Derbi moped. 28mm diameter outlet