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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
- Full system exhaust
- S1R Canister
- Black End Cap
- P1-X PowerTip included
- Installation hardware included
- Installation instructions included
- Installation tutorial
- Installation instructions
- Dyno chart
- Carbon Fiber
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.