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Description
FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you dont need to hear the power, just feel the power! -Developed over years of championship off-road racing -Max Sound output 96dB; most models below 93dB -Constructed from aircraft grade aluminum and high strength stainless steel -Use with FMF or Stock OEM Header -Removable spark arrestor included APPLICATIONS Make Model Year YAMAHA WR250F 07-13 YAMAHA WR450F 07-11 YAMAHA YZ250F 06-09 YAMAHA YZ450F 06-09
Fits: Yamaha WR250F 2007-2013 WR450F 2007-2011 YZ250F 2006-2009 YZ450F 2006-2009
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