Designed to take the Yamaha YXZ1000R “Side-by-Side” machine to greater levels of performance and enjoyment. Constructed from high-grade lightweight titanium, reducing weight from the stock system by over 50%, and finished with a hand-crafted carbon-fibre end-cap. The power and torque are increased for enhanced performance. The sound is improved to deliver a louder, deeper, fuller, and distinctive Akrapovic tone, with a sporty, racing sound as the revs rise. Designed with durability in mind due to the tough conditions the system will face. Performance exhaust systems also feature a new coating for the silencer outer sleeve giving better scratch resistance and easier cleaning.For perfect performance, throttle response and durability special developed mapping from Dynojet has to be used. Please visit http://www.powercommander.com/powercommander.FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE.