Slip-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.The muffler outer sleeve is made of titanium, while the end cap is made of carbon fibre. Race-proven materials. Exhaust system is compatible with BMW side cases. When adding the optional header set, the carbon fibre heat shield can not be mounted. The exhaust system is compliant with EURO3 regulations.