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-Hand pounded seams for smooth flow transitions
Advanced engineering and patent pending design
Strategic Ventilation: Partial mesh back provides airflow where it's needed most
works and fits FMF or stock
This is proof FMF is totally committed to 2-stroke progression in weight
PowerBomb 042385 YAMAHA-PW-80-1992 -Hand pounded seams for smoothThe redesigned PowerBomb is a four stroke header that incorporates FMFs 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
US$ 149.47
US$ 1750.00
US$ 28.00
