Evolution Line Exhaust System Perforated inner sleeve and inlet cap are all made of titanium
Flared or conical link pipe is made of titanium and welded to the muffler
Hexagonal mufflers feature a composite plastic outlet cap to match the design of each bike; BN mufflers use a titanium end cap
Link pipe; header tube joint is milled on a state-of-the-art CNC machine and secured by high-quality, silicon-shielded tempered springs
Conical shaped header tube is made of titanium
Ceramic anti-seizing grease is used to prevent seizing, corrosion and excessive wear of parts of the exhaust system made of titanium (due to vibration and extreme temperatures)
Carbon-fiber heat shield included, if called for in the design
Yamaha YZ450F muffler has an additional chamber for better torque and throttle response with less sound
