This product is vehicle specific. Click here to select your bike to ensure fitment.

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

$382.49
$424.99
10% off MSRP


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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

This product is vehicle specific. Click here to select your bike to ensure fitment.

This Product Fits:


Yamaha
WR250F 2007-2013
WR450F 2007, 2008, 2009, 2011
YZ250F 2006, 2007, 2008, 2009
YZ450F 2006, 2007, 2008, 2009

This item is also available for 33 other models:

Honda
CRF150R 2007-2014
CRF250R 2004-2005
CRF250X 2004-2017
CRF450R 2004
CRF450R 2005-2008
CRF450R 2009-2010
Husaberg
FE390 2010-2011
FE450 2009-2011
FE570 2009-2011
FS570 2011
FX450 2010-2011
Husqvarna
SMS 630 2011-2012
TC250 2010-2011
TC450 2009
TE250 2010-2012
TE310 2011
TE310 2010
TE510 2009
TE630 2011-2012
TXC 250 2010-2012
TXC 250 2009
TXC 450 2010-2012
KTM
250 SX-F 2005-2008
250 XC-F 2007-2008
250 XCF-W 2007-2008
690 Enduro R 2008-2013
690 SMC 2008-2013
Kawasaki
KLX450R 2008-2009
KX250F 2004-2008
KX450F 2006-2008
Suzuki
RMZ250 2004-2006
RMZ450 2008-2010
Yamaha
WR250F 2003-2006
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Product Style Item # Manufacturer Product # Availability
Stainless Steel/Blue Titanium/Stainless Steel 894438 044235 In Stock: Ships within 24 hours