20 for Yamaha WR450F FMF Powercore 4 Hex Muffler spring mount and flag attached

spring mount and flag attached to the whip

Title: Slide Rail Extensions

MPN: 487311

MPN: C203-021

MPN: 3528418-10-3X

20 for Yamaha WR450F FMF Powercore 4 Hex Muffler spring mount and flag attachedManufacturer: FMF Racing MPN: 44462 Title: PowerCore 4 Hexagonal Slip On Size: Option: Color: When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Overall increase in power and torque. Durable stainless steel and aluminum