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Product image 1GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler
Product image 2https://youtu.be/VukntR8FsbM
Product image 3GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler
Product image 4GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler
Product image 5GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler
Product image 6https://www.youtube.com/watch?v=w9jP4cEkVwc
Product image 7GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler

*Product may vary by application

GROM 2022 Race RS-9T Stainless Full Exhaust, w/ Stainless Muffler

SKU: 12122AR520


Regular price $629.00

MADE IN USA

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Race Series Exhaust System


By filling out the form below you acknowledge that the item being purchased is for racing only and this vehicle will never be used on public roads or land.

The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura "RACE SERIES." Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.

I have read, understood, and agree to Use Restriction Terms.

Same day shipping on In Stock items placed Mon-Fri by 1:00 pm PST.


(Payment Options Available at Check Out)


Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "MODIFIED PART"


WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov


It's here - the third generation Honda Grom. Back in 2013, we couldn't wait for the OG model to arrive on US shores and the newest version has us with equal anticipation.

With more compression, a 5 speed gearbox and new styling, the latest generation Grom promises even more fun both on the street and at the racetrack... Yoshimura is ready.

For styling, power and clearance we developed our renowned RS-9T to perform on the third gen Grom and the results are incredible, as the new Grom responded like a champ. Our Race Series RS-9T full system adds a staggering 13.9% max HP increase and 14.3% increase in max torque. With performance like that it's safe to say the RS-9T will be on top of the track day podiums around the globe!

We didn't stop there, we designed our RS-9T to offer more ground clearance and lean angle than the previous gen model. For the cherry on top we added a matte carbon fiber end cap and heat shield - Now your new Grom will love you forever!

If your serious - it's only Yoshimura. Proudly made in the USA!

  • RS-9T muffler allows the use of 5 sound insert options to customize power delivery and sound reduction.
  • Inserts available:
    SA-15-K
    SA-14-K
    INS-RS9A-K
    INS-RS9B-K
    INS-RS9C-K

    This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.

    Attention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.

    Race Series Exhaust System

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    FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

    If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

    Works Finish Explained

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    New Yoshimura Works Finish takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components our factory racers use.

    • Contemporary Satin/matte finish
    • Uniform heat coloration
    • Increased fatigue strength
    • Increased scratch and stain resistance

    Vehicle Fitment

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  • Honda GROM 2022
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