Akrapovic Kawasaki Ninja 250R 13-16, Ninja 300 13-16, Z250 13-16, Z300 15-16 Slip-On Line Exhaust (Carbon Fibre) - S-K3SO1-ZCSlip Ons represent the first step in the exhaust system tuning process, and they offer a great balance between price and performance. Change the nature of your bike by adding more power, improved performance, and the unique Akrapovic sound. Everything packed in stylishly designed Slip On exhaust systems. The result of taking design very seriously is a beautifully crafted exhaust system with a carbon fibre muffler outer sleeve and end cap. Race proven