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

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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.

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