Evolution Line Exhaust System - Carbon Fiber - This is a complete system constructed from high-grade, race-proven lightweight titanium alloys - It provides an impressive increase in power across the entire rev range while also improving torque delivery - The weight is decreased by over 6 kg - The system is finished with a hand-crafted carbon-fiber hexagonal muffler – inspired by Jonathan Rea's (Kawasaki Racing Team) World Superbike–winning machine - The exhaust delivers a unique, deep, sporty sound that enhances the system’s sporty heritage - The bike’s ECU must be remapped when the Evolution Line system is installed - An optional aluminum muffler bracket to further complement the entire system