Akrapovic Full Evolution Line Exhaust - Yamaha 2023 - 2024 YZ450F

Constructed from lightweight, high-grade, premium titanium alloys, with different thickness in the sections to ensure perfect protection and to reduce overall weight Meets the FIM noise limits for competition, and it adds strength and durability to the muffler while delivering a deep, full sound that embraces the balanced pulse of the single-cylinder engine Power and torque levels have been increased with an extra 1.8 kW (2.4 HP) at 10,600 RPM and 1.5 Nm at 10,500 RPM being recorded on the in-house dyno in back-to-back tests with a standard stock exhaust system Has simple plug-and-play operation to install, with no remapping needed For closed course competition use only, not intended for street use.