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FMF Factory 4.1 Full Exhaust System
The Factory 4.1 exhaust system is FMF Racing's premier performance exhaust system. Guaranteed horsepower gains throughout the RPM range and is the lightest Titanium system available. Used by professional race teams such as Factory KTM, Yamaha of Troy and Star Racing. Horsepower gains throughout RPM range. Megabomb header comes in Titanium.
Titanium canister shape and size is lighter and more performance-optimizing
Front and rear end cap designs developed to enhance fit, function and style
Fixed, specific mounting brackets for slip-ons and full systems
Fitment is guaranteed or your money back plus free return
Don't waste time installing a product that doesn't fit. We
worked hard ensuring that this product is an exact fit on the
vehicles listed below.
CRF150R 2007-2009, 2013-2014
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