Features: FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength. Removable spark arrestor included. NOTE: Will not pass 2025 FIM sound regulation.
The FMF Powercore 4 Slip On Silencer is perfect for riders of Yamaha YZF450 models year 2012-14.