Two Brothers Honda Grom 14-15 S1R Full Exhaust System
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The S1R exhaust is a state-of-the-art product from Two Brothers Racing. The system features carbon fiber highlighted by a natural finished Aluminum outlet and stamped spring-mounted inlet for ultimate durability.
The S1R cat-eliminating exhaust from Two Brothers Racing showcases a race design while increasing all-around performance. All of our carbon parts are made with a high temp aerospace grade epoxy resin. The carbon fabric is made with a 33 million modulus carbon tow then impregnated with the high temperature resin under very tight tolerances.
Comes with all necessary hardware, tubing, instructions for installation.
Two Brothers Racing Products Are For Closed Course Competition Use Only. Not Intended for Street Use in California.
Two Brothers Exhaust Installation Instructions