Yasuni R-Pro Performance Exhaust with E-Pass – Yamaha Aerox

The Yasuni R-Pro is a top-tier, road-legal racing exhaust designed for 70cc tuning cylinders, but also works great on 50cc engines. Delivering up to 12 hp, it provides strong midrange power, quick throttle response, and improved top speed — ideal for sporty everyday use.

• For Minarelli horizontal engines (Yamaha Aerox, Jog, Malaguti F12/F15, etc.) 
• Purple aluminium silencer, spring-mounted for a perfect seal
• ECE approved with restrictors in header and silencer (removal cancels approval)
• Made from sheet steel with stainless steel bracket
• Recommended setup: 17.5mm+ carburetor and tuning CVT