Developed from over 35 years of racing expertise, the FMF Racing Fatty. 300RX (2025). Suitable for diverse riding conditions, the Fatty is. FMF’s most popular two-stroke exhaust pipe. Compatible with FMF or standard (OEM) silencers.
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TC 250 (2017–2018). TX 300 (2017–2018). 250 SX (2017–2018). 250 XC (2017–2018). 300 XC (2017–2018). Drawing on over 35 years of racing expertise, the FMF Racing Fatty. paired with an FMF or OEM silencer.
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Blaster (1999 - 2026). top choice amongst riders, the Fatty maximises over-rev and ride. power increases throughout the RPM range. Engineered using FMF Racing’s. Utilises FMF Racing’s Tru-Flo stamping for perfect fit and high.
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Must be used in conjunction with FMF silencer. FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance. Improved throttle response, a linear powerband and enhanced over-rev all add up to a pipe that everyone will benefit from.
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The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. No matter what type of riding you do, the Fatty has the benefits you’re looking for. Factory Fatty Pipe. KTM SX 250 2019-2022.
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The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. No matter what type of riding you do, the Fatty has the benefits you’re looking for. Factory Fatty Pipe. KTM SX 250 2019-2022.
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300RX 2025. The Factory Fatty 025319 exhaust is designed for riders seeking a blend. Constructed from lightweight 20 gauge steel for the main pipe. premium gauge steel and engineered for optimal flow, this exhaust.
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TE 150 (2017–2019). 125 XC-W (2019). 150 XC-W (2017–2019). The Factory Fatty 025183 by FMF Racing is engineered for riders who. low-end torque, strong midrange, and greater over-rev, the Factory Fatty.
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