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: 4. 18 Alto: 7. 75 Largo: 21. 92 Ancho: 12. 55 Aditamentos: CRF450R : 2003 2002 Specs: Riding