FMF Megabomb Header Stainless Steel for Yamaha WR 250R 08-14 WR 250X 08-11
The Science Behind the Megabomb Header May Be FMF’s Greatest Engineering Accomplishment to Date. You Can Pay an Engine Builder Thousands or Bolt on a Megabomb for as Much as a 3hp Boost! Plus, the Megabomb Actually Reduces Noise Levels by as Much as 1.5dB. The Megabomb Header Will Have You Pulling Holeshots and Dusting All the Boys …