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Serious sound deadening qualities and excellent power
1 is the ultimate upgrade for your bike
with a shorter inner core length and aluminum canister
Graham Jarvis
An excellent choice for tight tracks and supercross track applications
Q4 044301 Color:No Color Serious sound deadening qualities andFMF 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
