This specially formulated alloy of Ti allows us to use such advanced production techniques as Hydro-forming to optimize exhaust gas flow. With their production quality, engine performance improvements, weight reduction and modern Hexagonal muffler design, Akrapovic Evolutions systems satisfy numerous factory race teams at the highest level.
The systems designed for the USA are available with an approved spark arrester. Our patented additional chamber helps to reduce noise emission and provides better power and torque delivery. Every Evolution system is built completely with titanium tubes and is offered in a carbon-fiber or titanium sleeved muffler each with a carbon-fiber end cap.
Buy it: http://www.akrapovic.com/nc/motorcycle-exhaust/products/yamaha/model/yz-450-f-2010/racing-78b1517d6b/
More EVS Products: www.akrapovic.com