Steel manifold Powerbomb YAMAHA YZ450F 07-09, WR450F 07-11

Powerbomb FMF exhaust Manifold in steel or titanium 

• Form Presence Powerbomb Patented position at the beginning of
  Collector to allow specific applications
• The particular "Bomb" swell ensures improved performance
• 10% Increase in power
• It Acts as a kind of "Pre-silencer" that decreases the decibels outgoing
• The expansion and contraction of the exhaust sound waves through the system
  Determine an increase in the flow
• Available in stainless steel for greater strength and less weight
  or titanium for even lighter weight
• The SX Version Powerbomb , available for some models, is designed to provide more
  Power at low and medium speeds, while the MX version has been designed for increased
  Power to the Medes and high regimes