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FMF Q4 Hex Spark Arrestor Yamaha YZ/WR 450/X (18-22) | 044442. FMF is the leader in high performance quiet technology and our Q4 HEX 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 ... - FMF Q4 Hex Spark Arrestor Yamaha YZ/WR 450/X (18-22) | 044442. | | $473.99
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FMF Q4 Hex Spark Arrestor For Yamaha 450 WR/YZ (14-18) | 044413. Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power lossWell under the 96db sound output on most machines to satisfy strict sound requirementsU.S. Forestry... - FMF Q4 Hex Spark Arrestor For Yamaha 450 WR/YZ (14-18) | 044413. | | $473.99
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FMF Q4 Hex Spark Arrestor Yamaha WR250F 20-21 | 044472. FMF is the leader in high performance quiet technology and our Q4 HEX 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 ... - FMF Q4 Hex Spark Arrestor Yamaha WR250F 20-21 | 044472. | | $473.99
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FMF Q4 Spark Arrestor Yamaha YZ/WR 250/450F 06-13 | 044232. 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 avai... - FMF Q4 Spark Arrestor Yamaha YZ/WR 250/450F 06-13 | 044232. | | $473.99
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FMF Q4 Hex Spark Arrestor For Yamaha WR450F (12-15) | 044398. Fitment:MakeModelYearYAMAHAWR450F12-15FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making... - FMF Q4 Hex Spark Arrestor For Yamaha WR450F (12-15) | 044398. | | $473.99
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FMF Q4 Hex Spark Arrestor Yamaha WR450F (2020) | 044463. FMF is the leader in high performance quiet technology and our Q4 HEX 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 ... - FMF Q4 Hex Spark Arrestor Yamaha WR450F (2020) | 044463. | | $473.99
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FMF Powercore 4 Exhaust Spark Arrestor Yamaha TTR110 (08-22) | 044273. The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless ... - FMF Powercore 4 Exhaust Spark Arrestor Yamaha TTR110 (08-22) | 044273. | | $315.99
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FMF Mini Powercore 4 Spark Arrestor Muffler Yamaha TT-R50/E 2006-22 | 044157. The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless ... - FMF Mini Powercore 4 Spark Arrestor Muffler Yamaha TT-R50/E 2006-22 | 044157. | | $315.99
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FMF Q4 Hex Spark Arrestor For KTM 350 EXC/F (12-16) | 045442. Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power lossWell under the 96db sound output on most machines to satisfy strict sound requirementsU.S. Forestry... - FMF Q4 Hex Spark Arrestor For KTM 350 EXC/F (12-16) | 045442. | | $473.99
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