Akrapovic Kawasaki Ninja ZX-4R 23-26 Slip-On Line Exhaust (Carbon Fibre) - S-K4SO8-HRCThis beautifully designed exhaust has a more compact shape to fit with the bikes naked and sporty appearance. It is constructed using hand crafted carbon fibre parts and finished with a titanium end cap in the same perfectly finished race proven material. Power and torque increases throughout the range and a weight savings over the standard stock system all add to improved performance. It serves up an enriched tone for added aural enjoyment and is EC