Seller notes

FMF Racing PowerBomb Header Stainless Steel fits Yamaha WR250F/YZ250F 4-Stroke Product Details 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 waves as they pass through the system. The result is a flow increase of nearly 10%! The outer cha...

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