Akrapovic Track day link pipe/Collector SS Yamaha R9

This stainless-steel link pipe with a resonator is designed for track day use. It has been developed for closed-course competition circuits only and for use in combination with the Racing Line (Titanium) system (S-Y9R21-EET). It lowers the noise level B (static noise level at 5,500 rpm, collated from Akrapovič measurements). It delivers a sporty sound. Remapping is mandatory.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.