FMF 044222 Powercore 4 Slip-On Muffler is an exhaust replacement component designed to increase horsepower and torque across the engine power curve on compatible Yamaha WR450F and YZ450F motorcycles, providing a usable power increase for varied riding styles while replacing the original muffler section with a performance-focused exhaust assembly that supports exhaust gas flow through its muffler body and removable spark arrestor system.
The muffler uses aluminum construction with stainless steel Hi-Flo end caps; the country of manufacture is not specified in the available product information.
The package includes one FMF Powercore 4 Slip-On Muffler, stainless steel Hi-Flo end caps, and a removable spark arrestor for installation on the specified motorcycle applications; mounting hardware, gaskets, and additional installation components are not identified in the available product information.
Fitment Chart
Year Range
Make
Model
Not specified
Yamaha
WR450F
Not specified
Yamaha
YZ450F
Please confirm your year, make, and model before purchasing. Contact Moto-House MX if you need fitment assistance.
Moto-House MX - Choice of Champions - Clermont / Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.
Features:
Aluminum muffler construction
Stainless steel Hi-Flo end caps
Removable spark arrestor included
Designed to increase horsepower and torque across the power curve
