FMF Mega Bomb Header Pipe for Yamaha 2009-13 YFZ450R, YFZ450X new arrival 1989-1999 Harley Davidson FLSTC/I Heritage

1989-1999 Harley Davidson FLSTC/I Heritage Softail Classic

1957 Harley Davidson XL

1999 Harley Davidson XLH883HUG Sportster 883 Hugger

1998-2002 Honda CR80RB Expert

FMF Mega Bomb Header Pipe for Yamaha 2009-13 YFZ450R, YFZ450X new arrival 1989-1999 Harley Davidson FLSTC/I HeritageFMF 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