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FMF

FMF Factory 4.1 Slip-On Exhaust Honda CRF150R / CRF150R Expert 2007-2026

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FMF 4-Stroke Muffler Re-Pack Instructional Video

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Material:

Blemished/Refurbished

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 Honda CRF150R

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
Removable spark arrestor sold separately
94 dB quiet insert sold separately
100% made in the USA

Weight

Titanium/Blue Titanium/Titanium 3.4 lbs
Stainless Steel/Blue Titanium/Stainless Steel 3.5 lbs

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style Stainless Steel/Blue Titanium/Stainless Steel	Item # 894424	Store SKU	Manufacturer Product # 041289/41289	Availability Closeout: This product is no longer available
Product Style Titanium/Blue Titanium/Titanium	Item # 894426	Store SKU	Manufacturer Product # 041291	Availability Closeout: This product is no longer available