Two Bros Carbon Fiber Honda Groom 125 Performance Exhaust

S1-R exhaust will turn heads with a new design that has been developed to increase the horsepower by 10 percent and reduce weight by 5.5 pounds over the stock exhaust.

Honda GROM (2014) S1R Full System – Carbon Fiber

The popular Honda Grom 125 Street Motorcycle is like a blank slate for modern high tech accessories and high performance parts.

Adding a Two Bros performance exhaust the tone matches the power output by increasing the HP.

10% horsepower increase

Reduces weight by 5.5 lbs

New carbon fiber material

Lightweight spiral-wound perforated core

Machined spring retained connection

High-performance packing material

CNC billet black muffler bracket

CNC billet machined outlet

Lightweight magnesium end cap

Includes a removable P1X power tip