Constructed from race-proven materials: carbon fibre for the muffler sleeve and titanium for the end cap and link pipe,the racing–inspired design has a smaller sportier appearance and that exhilarating Akrapovič sound to heighten the senses. It is a simple plug-and-play installation with no remapping needed, and is designed for track use and markets where EC/ECE-type approval is not required.  There are optional headers for improved torque and power, especially from the mid-range upwards.If passenger footrests are removed optional aluminium or carbon fibre muffler bracket is needed.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.