Akrapovic Yamaha R1 15-26 Racing Line Exhaust System (Titanium) - S-Y10R15-APLTThis full racing system is constructed with a titanium muffler and stainless steel headers for a second full system option. The new shape is modelled on the design being raced in many championships. The increased power and torque through the whole rpm range, especially in mid range and top end. It weighs over 40% less than the standard exhaust and offers easy to fit installation. The deep racing sound perfectly matches the bikes sporting abilities.