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Yoshimura R-11 optional exhaust pipes for Kawasaki Z900 2017-2021
Optional Yoshimura exhaust pipes for slip-on R11 for Kawasaki Z900 2017-2019 / 2020-
Optional Yoshimura exhaust pipes for slip-on R11 Euro4 for Kawasaki Z900 2017-2019
Optional Yoshimura exhaust pipes for slip-on R11 Euro5 for Kawasaki Z900 2020-2022
Eliminates Yoshimura Japan stainless steel catalyst.
Street Sports stainless full system to obtain maximum performance gain.
Increases maximum 5.8% of power (with dB-killer) and reduces 44% 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
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| Power | With SD#136 | +5.8% / 9,800rpm |
| Without SD | +6.2% / 8,600rpm | |
| Torque | With SD#136 | +7.2% / 6,600rpm |
| Without SD | +7.1% / 6,600rpm | |
| Weight | -3.2kg / -42% | |
| Main Material | Stainless steel |
| Static Noise Decibel : dB/ Measured at : rpm STD 96dB/4,750rpm | 108dB/4,750rpm : with dB killer |
| 111dB/4,750rpm : without dB killer |
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