The Yasuni 4T exhaust for the PIAGGIO BERVERLY 125, the APRILIA SPORT CITY 125 and the GILERA RUNNER 125 is designed to transform the behavior of the bike, offering a noticeable increase in power, torque and weight reduction, all without compromising homologation. The result: superior performance accompanied by a sporty sound and an aggressive aesthetic that reinforces its unique character.

True to Yasuni’s spirit of innovation, this is the only exhaust on the market with a multiconical manifold and variable diameter tube, a key technical solution to maximize gas flow and optimize performance.

Each unit is manufactured with high-precision welding processes, which not only guarantee reliability and durability but also provide a distinctive finish and an exclusive added value.