  ** OUT OF STOCK - This product is no longer in stock at our warehouse. As of spring 2024, FMF has discontinued their mufflers and header pipes for the 2008-2020 Yamaha WR250R/X. Yoshimura is about the last company making an exhaust system for the Yamaha WR250R. See our Yamaha WR250R Performance Guide for all the details on what you need to get your WR250R/X running properly and increase power, torque and overall ride-ability. Home > Dual Sport > Yamaha WR250X/R Parts > FMF PowerBomb Header The FMF PowerBomb header can be combined with their popular Q4 slip-on muffler to to really wake up the engine on your WR250R or WR250X, as well as give it a much better sound. The redesigned PowerBomb is a four-stroke header that incorporates FMF’s patented PowerBomb module at a precise location in the initial stage of the header. By positioning this “Bomb” at a key point in the system, increased performance and flow is achieved through the expansion and contraction of exhaust sonics through the system. Result is a flow increase of nearly 10%! The outer chamber in the Powerbomb allows the air to expand, cool and ramp back up at a higher velocity. Additionally, the PowerBomb is a “pre-muffler” of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases). Fitment: 2008-2020 Yamaha WR250R / WR250X Standard Features: Video Reviews: |
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