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FMF

FMF Factory 4.1 Slip-On Exhaust Yamaha YZ250F / YZ450F 2006-2009 / WR250F 2007-2013 / WR450F 2007-2011

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FMF 4-Stroke Muffler Re-Pack Instructional Video

Stainless Steel/Blue Titanium/Stainless Steel

Fullscreen Zoom

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$499.99

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Material: Stainless Steel/Blue Titanium/Stainless Steel

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This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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FMF Factory 4.1 Slip-On Exhaust Yamaha YZ250F / YZ450F / WR250F / WR450F

The FMF Factory 4.1 is FMF Racing's premier performance exhaust. With 30 years of racing experience behind it, the Factory 4.1 takes advantage of everything FMF has learned on the race track.

Features:

Horsepower gains throughout RPM range
High quality internal packing material for maximum longevity
94 dB Insert Included
Can be used with FMF or Stock OEM Header
Weight: 5 lbs
100% made in the USA

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style Stainless Steel/Blue Titanium/Stainless Steel	Item # 894438	Store SKU	Manufacturer Product # 044235/44235	Availability Closeout: This product is no longer available