FMF Mega Bomb Header Pipe for Yamaha 2009-13 YFZ450R, YFZ450X new arrival - Maximum air flow is

- Maximum air flow is achieved thru shell/styro & comfort liner vents

Bubble Shield also available and sold separately for added vintage panache

1989-1999 Harley Davidson FLSTC/I Heritage Softail Classic

1998-2002 Honda CR80RB Expert

875 inches

FMF Mega Bomb Header Pipe for Yamaha 2009-13 YFZ450R, YFZ450X new arrival - Maximum air flow isFMF Mega Bomb Header Pipe for Yamaha 2009 13 YFZ450R, YFZ450X Reduces sound output by as much as 1. 5 dB FMF Racing MegaBomb header pipes deliver your motorcycle to the next level of technology and power. MegaBomb uses science to gain up to a 3 hp boost with an existing FMF Racing slip, while reducing noise levels by as much as 1. 5 dB. Bolt them on and the technology produces more low end to midrange gains, as well as broadening out the mid to top