Akrapovic Track Day Link Pipe/Collector (SS) for Yamaha YZF-R6 with code L-Y6SO4/TD

Optional stainless steel link pipe with resonator for mounting with the muffler and header set from the Evolution Line S-Y6E9-APT or Racing Line S-Y6R9-APT. It lowers the noise levels for use on racetracks where lower noise levels are required. This optional Track Day Link Pipe comes with an additional noise insert.Static noise level with Evolution/Racing noise insert: 96,6 dB at 5500 rpmStatic noise level with Track Day Link Pipe noise insert:  99,4 dB at 5500 rpmStatic noise level without noise dumper: 100,7 dB at 5500 rpmFor perfect performance, throttle response and durability, ECU remapping is recommended.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE. suitable for YZF-R6