• Item fits 2004 models.
• 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 Honda CRF450R4.

JC Motors Part# 041169