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Yoshimura RS-9T Exhaust System Honda Grom

Yoshimura was very excited about the US release of the Grom back in 2013, and with the new refresh for the third gen Grom, Yoshimura's R&D team anxiously waited to get their hands on one to develop this RS-9T Full Exhaust system for the market. Yoshimura has been working tirelessly on the development of the RS-9T (Tapered) Exhaust with American Honda HRC's engineers to achieve maximum performance and mass centralization, to optimize rider usability. Working with Honda R&D in Japan, Yoshimura was able to deliver an exhaust that provides more tractable power with improved torque which in turn leads to better handling and performance.

Features:

  • 3-stage header provides broader power range and improves throttle response
  • Tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe
  • Compact forward positioned RS-9T muffler design provides lower center of gravity for better mass centralization
  • Larger RS-9T core creates improved throttle response, and stronger mid to top end power
  • RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level
  • Finished in Yoshimura's Works Finish
  • 100% Made in the USA
Made in the USA
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Stainless Steel/Carbon Fiber RevZilla Item #10059528 Store Sku MFR. Product #12122AR520 AvailabilityIn Stock: Ships within 24 hours
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart

This product DOES NOT FIT your 2015 Aprilia RSV4 FACTORY APRC

Fitment Notes & Exceptions
  • This product is intended for offroad / track use only. This product is not intended for on-road use and may not be legal for on-road use in your jurisdiction.
This Product Fits
Honda
Grom MSX125 2022, 2023, 2024, 2025
Grom MSX125 ABS 2022, 2023, 2024, 2025
Grom MSX125 SP 2024, 2025
Product Description
Part Numbers
Fitment
11 Customer Reviews
11 4.5/5
6 Questions & 3 Answers
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