This is the leader of Akrapovič's line of exhaust systems, tested by the best race teams in the world. The system maintains the highest quality in the market, and is one of the most expensive systems you can mount on your motorcycle. Each exhaust system is unique and built to maximize engine performance, while reducing the overall weight for optimum handling of the bike. Akrapovič's patented chamber of this system reduces the sound, but provides better power and torque. The material is formed with an Advanced hydroforming technology to optimize exhaust flow. Power increases in this system have been measured from 4000 up to 13,000 rpm! The system is made entirely of titanium and carbon fiber End cap available.