CRF450X'05-17 - FMF SS PowerBomb Header
Description
The redesigned PowerBomb is a four-stroke header that incorporates FMF’s patented PowerBomb module at a precise location in the initial stage of the header. By positioning this “Bomb” at a key point in the system, increased performance and flow is achieved through the expansion and contraction of exhaust sonics through the system. Result is a flow increase of nearly 10%! The outer chamber in the Powerbomb allows the air to expand, cool and ramp back up at a higher velocity.
Additionally, the PowerBomb is a “pre-muffler” of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases).
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Dean | January 12th, 2010
Great pipe! Works great with my Pro-Circuit T-4 silencer. It sticks out a bit more than the stock pipe though and you really need a heat protector of some kind to keep from melting your boots. So don't get it unless you have a protector too.
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