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track and trail proven unrestricted power
Honda CRF450R 2009 to 2012
These types of lubricants WILL cause premature wear and or failure
Designed for the Factory 4
FMF Powercore 4 Hex Muffler Beta 350-480 RR | 045666 intake track and trail proven unrestrictedWhen designing the PowerCore 4 HEX, FMF looked at 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 construction. Space Age internal packing material for maximum longevity. Internal shape of core uses
