When it comes to the Honda Grom (MSX125), Yoshimura has had it covered from the day this small bore bike landed on our shores.
Introducing the ultimate racing exhaust system, the RS-9T high mount for the  Honda Grom. Crafted in Full titanium made from premium grade Japanese titanium for significant weight reduction and heat dissipation. If you want to capture every advantage on the race track you need this system.
If your serious - it's only Yoshimura. Proudly made in the USA!
Benefits for the Yoshimura RS-9T titanium system include:
Insanely light at 4.6 lbs.
Includes a carbon fiber heel guard
Significant power and torque gains across the spectrum
18mm Lambda / o2 sensor bung
Muffler tucked under rear seat body cowling to minimize crash damage
RS-9T muffler allows the use of 5 sound insert options to customize power delivery and sound reduction.