Two Brothers Racing Honda MSX125 Grom 2014 S1R Full System Exhaust

Aftermarket Exhausts Are For Race Use Only

Compatible with the OEM/factory fender kit and the Two Bros fender kit

Muffler options:
  • Carbon Fiber

Tweet_button Share this page on Twitter!

This Product is Currently Unavailable
Check out these similar products:

Product Video

Our Two Cents

Two Brothers Racing built a brand new exhaust for the Grom. The S1R full system has a new Carbon Fiber design and boasts an 8.5% horsepower increase and a 5.5 lb weight reduction.


New Enough is now