FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Signature Series Seat Years: 2006 2007 2008 2009

Years: 2006 2007 2008 2009 2010 2011 2012 2013 2014

SET valve removed

Advanced poly-blend reinforcements with foam padding on thumb and palm for superior

Compatible with NavAtlas headset cables (sold separately)

Infinite rotational adjustment

FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Signature Series Seat Years: 2006 2007 2008 2009FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi Flo endcaps make for the perfect balance of performance and strength Removable spark arrestor included