• The Factory 4.1 is FMF Racing's premier performance exhaust system incorporating every conceivable technological advantage taken from the thirty plus years of their racing heritage.
• The titanium canister shape and size is lighter and more performance-optimizing.
• The front and rear end cap designs were developed to enhance fit, function and style.
• Fixed, specific mounting brackets for slip-ons and full systems.
• Includes titanium Powerbomb header.
• For Kawasaki KX250F1, KX250R1, KX250R6F, KX250R7F, RM-Z250K4, RM-Z250K5 and RM-Z250K6.

JC Motors Part# 042065