Yoshimura R-77 Slip-On Exhaust KTM 690 Duke 2013-2017

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Yoshimura R77 Signature Slip-On Exhaust KTM 690 Duke

The Yoshimura R-77 Slip-On Exhaust was designed with the needs of the racer in mind. Using the feedback received from the Yoshimura Road Racing Team, their designers came up with a muffler that is constructed from lightweight materials, grants a significant boost in power thanks to its high-flow trapezoidal shape and gives your bike a great sound without being excessively loud.  The muffler will help your engine make more power while reducing overall weight. The end result is an exhaust that will let your motorcycle reach its maximum potential!


  • Superbike technology and styling
  • Trapezoidal-shaped sleeve
  • Straight baffle for ample flow
  • Innovative end-cap
  • Stainless steel mid-pipe (applicable models)
  • Made in the USA


This product can expose you to chemicals known to the State of California known to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65

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Russell R.
United States

Above and beyond

Turns out the stainless can I ordered was back ordered. Jason stepped up and sent me one in carbon fiber. I was surprised and very happy to accept the bump up. Thank you Jason and KTM TWINS. Everything I have ordered has been top quality and the service is excellent.Thanks again.