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.
TRX90EX FourTrax 90 2007-2008
TRX90X FourTrax 90 2009, 2013-2014
TRX250X FourTrax 250X 1987-1988, 1991
TRX300EX FourTrax 300EX 1993-2000, 2004-2007
TRX300EX Sportrax 300EX 2001-2003, 2008
TRX300X Sportrax 300X 2009
KSV700A KFX700 V-Force 2004-2009
LT-Z50 QuadSport 50 2007-2009
YFM80 Raptor 80 2002-2008
YFM80G Grizzly 80 2008
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Questions & Answers
Does this include the header?
Yes, all FMF Power Core 4 Full Exhaust Systems come with stainless steel headers.
Does it require rejetting
By: Aaron J.
While it's not required, we highly recommend that you rejet your machine so as to get the best possible throttle response and engine power output. FMF even makes a jet kit that's perfectly matched to go along with their exhausts in the form of the FMF Power Up Jet Kit. With that, you'll get everything you need and the included instructions do an excellent job of explaining how to tune your bike for maximum benefit.