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Yoshimura RS-4 Stainless Slip-on Muffler 2019-22 Yamaha YZ/WR250F/X | 231022D320. Fitment:Yamaha WR250F 2020-2022Yamaha YZ250F 2019-2022Yamaha YZ250FX 2020-2022The Yamaha YZ250F is an all new machine for the Blue Cru and by the looks of it, the refinements to this bike will continue to drive the 250cc class progression forwa... - Yoshimura RS-4 Stainless Slip-on Muffler 2019-22 Yamaha YZ/WR250F/X | 231022D320. | | $569.00
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Yoshimura RS-4 Stainless Slip-on Muffler 2014-18 Yamaha YZ/WR250F/X | 231012D320. Fitment:Yamaha WR250F 2015-2018Yamaha YZ250F 2014-2018Yamaha YZ250FX 2015The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've devel... - Yoshimura RS-4 Stainless Slip-on Muffler 2014-18 Yamaha YZ/WR250F/X | 231012D320. | | $509.00
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FMF Powercore 4 Hex Muffler Yamaha YZ/WR 250/X (14-19) | 044423. When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durabilit... - FMF Powercore 4 Hex Muffler Yamaha YZ/WR 250/X (14-19) | 044423. | | $420.99
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FMF Powercore 4 Hex Muffler Yamaha YZ250F/X (19-23) | 044451. When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durabilit... - FMF Powercore 4 Hex Muffler Yamaha YZ250F/X (19-23) | 044451. | | $420.99
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FMF Powercore 4 Hex Muffler Yamaha WR450F (2020) | 044462. When designing the PowerCore 4 HEX, FMF looked at top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability a... - FMF Powercore 4 Hex Muffler Yamaha WR450F (2020) | 044462. | | $420.99
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FMF Powercore 4 Muffler Yamaha YZ 250F/450F 06-09 | 044228. When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all... - FMF Powercore 4 Muffler Yamaha YZ 250F/450F 06-09 | 044228. | | $420.99
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FMF Mini Powercore 4 Muffler Yamaha TT-R110 2008-22 | 044272. 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 Muffler Yamaha TT-R110 2008-22 | 044272. | | $294.99
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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 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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