FMF Powercore 4 Hex S/A Silencer - Yamaha WR450F/ YZ450FX 16-18 YZ450F 14-17

When you’re looking for pro-level performance at an amateur price, the obvious answer is the FMF Power Core 4 Hex S/A Silencer. The Power Core 4 Hex is perfect for whatever type of riding you do. Why? Because this silencer gives you increases in power throughout your ATV or motorcycle power band.

If you’re new to riding, don’t worry. The power of the Hex is implemented in a way that maximizes usability without any unwieldy spikes. The Power Core 4 Hex does this using the Hi-flo technology in both the modular end cap and internal core to enhance exhaust gas flow, letting your engine run more efficiently. If you want looks too, all this performance is housed in a premium grade aluminum canister, stainless mid pipe, and stainless end cap for that signature, clean FMF look.

Specs:

• Hi-flo end cap and internal baffle
• High performance internal packing
• Internal core uses Hi-Flo technology
• Spark arrestor insert included
• Stainless steel mid pipe and end cap
• Aluminum alloy canister body
• Increases power and torque throughout rpm range
• Can be used with stock or FMF header