18-20 YZ450F Q4 HEX MFLR S/A, FMF 044442 SILENCER

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YAMAHAWR450F 2019YZ450F 2018 - 2020YZ450FX 2019 - 2020 Part no 06-1784.SIL.Q4 FMF 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 available. With the Q4 you don�t need to hear the power, just feel the power! -Less sound equals more ground -Meets USFS and FIM World Enduro sound regulations -Power gains throughout the entire rpm range -Spark arrestor included -Pounds lighter than stock -Rugged design for off-road endurance -Only US manufacturer to offer dedicated quiet exhaust systems -MADE IN THE USA Notice: Closed Course Use OnlyItem ID: 044442Type: Slip-OnConfiguration: SingleConst: AluminumFinish: NaturalMidpipe: Stainless SteelEndcap: Stainless SteelSpark Arrestor: Screen Insert (included)Carb Warning: noQuiet Insert: IncludedWeight: 5.7 lbs. � Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models. Show more