In compliance with the trend, launched in the GP championship, a new exhaust is rising: the “GP” silencer with limited dimensions and a sports image. Round short silencer, enlarged jets to increase the racing energy, extractable db-killer for a good agility of the mean; all this to guarantee a performance and an engine speed enhancement. The round short “GP” is EU – homologated, and it’s the result of a long and detailed research, of our R&D department. Compatible with: - Yamaha: R1 00-01_M, R1 98-99_M