The Yasuni 4T exhaust for the VESPA SUPER S 125 (1995-2005) and the VESPA GTS 125 (2005-2012) is designed to transform the bike’s performance, 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.