Yoshimura GROM 2022-25 RS-9T Stainless High Mount Full Exhaust, w/ Stainless Muffler

Pre-Order Expected to Ship Mid-March

For optimal tuning, the header includes a wide band O2 sensor bung measuring 18mm. The RS-9T muffler, complete with a matte carbon fiber end cap and heat shield, is cleverly concealed within the chassis to reduce potential damage from crashes. With a focus on performance, Yoshimura has maximized the capabilities of the 124cc Grom engine, resulting in up to 10.9% more horsepower at 8200 rpm and up to 7.4% more torque at 6600 rpm. Additionally, our Integrated Sonic Chamber technology enhances power output beyond that of the stock unit, while maintaining 49 state compliance for the new Speed Series full system. Proudly designed, developed, and manufactured in Chino, California, Yoshimura's RS-9T is the ultimate exhaust system for the Grom.

Weights:

• Stock system: 7.5 lbs.
• Yoshimura RS-9T full system: 5.9 lbs.

Sound Levels: (Using J2825 standards) with insert

• 2000 rpm
  • Stock: 73.6 dB
  • RS-9T: 79.5 dB
• 5000 rpm
  • Stock: 82.6 dB
  • RS-9T: 88.4 dB

• 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