This is a non Yamaha branded product, fully developed and produced by Akrapovič for closed circuit racing only. This product is excluded from Yamaha warranty terms and conditions.
90798-33312-00 - Titanium
Developed for use with YZF-R1s that are fitted with a Yamaha Racing Kit. The Evolution Line Kit cannot be mounted with the Yamaha YZF-R1 stock fairings. A full list of spare parts is available via your official Yamaha dealer