Akrapovic Kawasaki Ninja ZX-10R 21-25, Ninja ZX-10RR 21-25 Slip-On Line Exhaust (Carbon Fibre) - S-K10SO27-HRCThis race inspired hexagonal muffler is made from beautifully crafted carbon fibre while the updated end cap is now made out of light weight titanium. The EC ECE type approved exhaust delivers an increase in both power and torque across the rev range. The use of titanium for the pipes and muffler inner parts creates an additional reduction in weight. An optional link pipe is available to improve performance and an optional carbon fibre muffler bracket