Genuine Yamaha GYTR Dual Slip-On Carbon Fiber Mufflers - Yamaha R1 (2009-2014)

• Provides a significant increase in power throughout the rpm range with a maximum 4-hp gain while providing up to a 2 ft-lb increase in torque.
• Carbon fiber muffler shell with brushed stainless steel inlet pipe and end cap.
• Aluminum muffler mounts.
• Completely re-buildable.
• 2.4 pounds lighter than stock.
• Meets 2009 AMA sound requirements.

For closed-course competition only (see important note below).

Important note:

All street-legal motorcycles models are regulated by the EPA and state law. This accessory affects exhaust emissions and is for closed-course competition only. Use on public roads constitutes illegal tampering punishable by law.