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 fibre muffler shell with brushed stainless steel inlet pipe and end cap. Aluminium muffler mounts. Completely rebuildable. Meets 2009 AMA sound requirements.
Note: For closed-course competition use only.
Fits:
- 2009 – 2013 YZF-R1
