Designed for use on closed-course competition circuits, this lightweight titanium link pipe with resonator lowers the static noise level at 5,500 rpm to 100 dB when installed with the muffler and headers from the Evolution Line (Carbon) exhaust system. This track day–orientated product, which complements the Evolution Line (Carbon) without compromising power and torque gains, requires mandatory remapping when installed. Weighing 3.0 kg less – 37.2% lighter than standard stock when combined with the Evolution Line (Carbon) system muffler and headers – and offering a great sporty sound, this is an option for all serious track-day aficionados and racers alike. Static noise level of the Evolution Line (Carbon) with Track Day Link Pipe (Titanium): 100.4 dB at 5,500 rpm Static noise level of the Evolution Line (Carbon): 103.2 dB at 5,500 rpmStatic noise level of the Evolution Line (Carbon) without noise insert: 105.5 dB at 5,500 rpmTHIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.