Yoshimura RS-9T Complete Exhaust With Stainless Header - Dual

• Product Details

  The CRF's new engine and muffler configuration gave Yoshimura the opportunity to create an entirely new system built specifically for the new Honda machines. Introducing the all-new Signature Series RS-9T tapered dual muffler exhaust system for the all new CRF Hondas.

  Yoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass centralization, to optimize rider usability. Yoshimura achieved all this by moving the new RS-9T mufflers forward in order to tuck in under the side number plates. Working with HRC race engineers and the all-new engine and its unique downdraft fuel injection system, Yoshimura was able to deliver an exhaust that provides more tractable power and improved torque.

  • Dyno and track tested by Honda R&D in Japan, American Honda MX Team, and HRC All Japan MX Racing Team.
  • Three-stage header provides broader overall range of power and throttle response.
  • New tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe.
  • New compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization.
  • Larger RS-9T core creates improved throttle response, and power in mid and top end.
  • New RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level.
  • Works with or without Honda's new optional electric start system.
  • Stainless steel header and tail-pipe.

  Yoshimura Exhaust Series Descriptions:

  Enduro Series: In the mid 90's Yoshimura didn't go to the dirt; the dirt came to Yoshimura. Enduro Series systems are an evolution of Yoshimura's early off road efforts crafting off-road exhaust systems. The Enduro Series are all equipped with U.S.F.S.-approved spark arrestor, forest-friendly noise levels, and are tailpipe emissions compliant. (CARB/EPA tail-pipe emissions compliant; all applications are marked with appropriate EPA noise emissions labels.)

  Signature Series: Introducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. The Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many off-road applications. Everyone of Yoshimura's Championship Winning Motocross exhaust systems and nearly all of the ATV / Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations. (CARB/EPA tail-pipe emissions compliant; all applications are marked with appropriate EPA noise emissions labels and certified by an independent laboratory for EPA noise compliance.)

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• Fitment

• # Part Numbers

  Product Variant	Manufacturer Part #
  Signature / Stainless / Stainless / Carbon Fiber	225840R520
  Signature / Stainless With Carbon Fiber End Cap	22843AR520

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