The BOYESEN Carbon Membrane for YAMAHA is a high-performance racing membrane crafted from pure carbon. Specifically designed to boost engine performance, this membrane excels in enhancing output in the mid to high rpm ranges. Its advanced material composition ensures durability and optimal engine response, making it ideal for competitive racing and high-speed applications. You can trust BOYESEN's commitment to quality and innovation to provide your Yamaha engine with the precision and power it needs to outperform the competition.