The Yasuni R3-PRO is a performance-oriented exhaust system for 2-stroke engines up to 90 cm³. The revised resonance chamber was developed to optimize gas flow and support consistent power delivery across a wide RPM range.

The construction aims for improved acceleration, more direct response, and high performance in the upper RPM range. Production takes place in Europe under high quality standards and is designed for use in high-performance engine concepts.

A special feature of the Yasuni R3-PRO is the EU type approval for engines up to 90 cm³. With this, the exhaust system combines high performance with approval according to current European regulations.

Technical data:

• Suitable for 2-stroke engines up to 90 ccm
• Optimized resonance chamber for improved gas flow and high performance
• EU type approval (homologation) for engines up to 90 cm³
• High-quality production in Europe according to high quality standards

Information on approval for Germany and the European Union

• With R92 EU type approval according to ECE regulation (E-mark / E-report).

This Yasuni exhaust system features an embossed E-number and an "e-pass". Street legality in Germany and within the European Union exists exclusively provided that the silencer is installed according to the manufacturer's specifications and operated unchanged.

The approval applies exclusively to the European market, particularly for Germany. Use outside the European Union may be subject to differing national regulations.

About the manufacturer Yasuni

For over 40 years, Yasuni has stood for high-quality exhaust systems and innovative exhaust systems for scooters and motorcycles. The renowned manufacturer develops high-performance sport and resonance exhaust systems that impress with precise workmanship, high fitment accuracy, and optimal power delivery.

Thanks to continuous research, modern production technologies, and high-quality materials, Yasuni exhaust systems meet the highest demands for performance, durability, and quality. Depending on the model, they are suitable for everyday use, sporty street use, or racing and combine maximum performance with current environmental and noise regulations.