PowerBomb HeaderCaracteristicas: 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 Not for use with stock muffler. Peso: 1. 5 Alto: 7. 87 Largo: 15. 51 Ancho: 12. 44 Aditamentos: YZ 426 F : 2000 2002 2001 YZ 400 F