The Yasuni Carrera 21 (C21) exhaust system is a premium high-performance exhaust designed for 50cc scooters equipped with at least a 70cc racing cylinder. Compared to the Yasuni Carrera 20, the C21 features a slightly longer expansion chamber, providing stronger torque and exceptional performance in the mid to high RPM range—perfect for explosive acceleration, especially when powering out of corners.

Engineered for high-revving setups up to 14,000 rpm, the C21 is built for track use and delivers impressive response and top-end power on short straights and tight bends.

All necessary mounting components are included for easy installation.

Specifications Yasuni C21 Racing Exhaust :

• Segment-welded racing exhaust

• Silencer: Purple

• Mounting bracket included

• Suitable for horizontal Minarelli engines (Yamaha Aerox, Malaguti F12, and others)

• Not approved for road use