Two Brothers Exhaust S1R Ninja 650


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Two Brothers Exhaust S1R Ninja 650

Our Ninja 650 full exhaust system was developed to surpass what is offered on the market today. Engineered to compliment the quality and performance of Kawasaki’s products, this handcrafted system delivers unparalleled sound and performance for the ultimate race experience.  This system really makes the Ninja 650 and Z650 come to life both in performance and sound. It has a nice deep twin sound to it that is intoxicating at the high RPMs.


  • Aerospace grade high-temp carbon fiber
  • Magnesium teflon light-weight end cap
  • Stamped, durable spring-fit inlet
  • Aluminum CNC machined outlet
  • Rubber-lined aggressive style mount
  • Spiral-wound perforated core
  • Accepts sound reduction tips
Make Model Year
Kawasaki EX650 Ninja 650 2006 - 2011
Kawasaki EX650 Ninja 650 2017 - 2020
Kawasaki EX650 Ninja 650 ABS 2017 - 2020
Kawasaki Z650 2017 - 2020