FMF Q4 Spark Arrestor Yamaha YZ/WR 250/450F '06-13 | 044232 Fantic KTM 250 SX-F 2013 to

KTM 250 SX-F 2013 to 2020

Its intense cleaning power achieves outstanding results after being left to work for just a short time

2002-2019 KLX110

KIT HAS BEEN DISCONTINUED

Adaptive Impact System (AIS)

FMF Q4 Spark Arrestor Yamaha YZ/WR 250/450F '06-13 | 044232 Fantic KTM 250 SX-F 2013 toFMF 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