The Track Day Slip-On Line for the Honda CBR1000RR-R Fireblade was specially developed for use on racetracks where lower noise levels are required. It is made from race-proven materials: titanium for the muffler and stainless steel for the link pipe with resonator. There are optional headers for improved torque and power, especially from the mid-range upwards. Static noise level: 98,5 dB @ 5500 rpm. 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.