Seller notes

FMF PowerBomb Header PRODUCT DETAILS Utilize FMF's patented module precisely located at the initial stage of the header Position "Bomb" increases performance; horsepower is increased as much as 10% Act as "pre-muffler" helping to lower the decibel output The expansion and contraction of exhaust sonics through the system causes increased flow WARNING: Not for use with stock muffler. FITMENTS 2004-2006 Yamaha WR 450 F 2004-2015 Yamaha YFZ 450 4x2 2004-2006 Yamaha YZ 450 F Brand FMF MPN 044033 Prod...

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