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and increased over-rev
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams
stinger tube
-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards
-Champagne color anodized can
Q4 044285 HONDA-XR600R-1997 and increased over-revFMF 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
