Optional Yoshimura exhaust pipes for slip-on R11 for Kawasaki Z900 2017-19/2020-21
Eliminates Yoshimura Japan stainless steel catalyst.
Street Sports stainless full system to obtain maximum performance gain.
Increases maximum 6.4% of power (with dB-killer) and reduces 38% of weight compared to the stock system.
It is suggested to remap ECU to obtain the best performance and it is highly recommended to do when using high rpm range frequently or when riding at race track