Top-of-the-range full system beautifully crafted from high-grade ultra-lightweight titanium Its distinctive shape was developed especially for the Yamaha YZF-R1 based on AkrapovicÆs vast racing experience Increased power and torque through the whole rpm range, especially in the mid range and top end The deep, true racing sound is perfectly tuned to match the increased performance It offers easy-to-fit installation For perfect performance, throttle response, and durability, special mapping developed by Akrapovic in collaboration with Rapid Bike by Dimsport is recommended. EXHAUST EVO TI YAM R1 20