POWERBOMB TORQ SS CRF250R 2005 Arctic Cat M 6 (EFI) 141" 1999 Kawasaki KX500

1999 Kawasaki KX500

unlike twin air

2011 Suzuki RMX450Z

It replaces the stock foam and vent cover and provides more intake surface area

POWERBOMB TORQ SS CRF250R 2005 Arctic Cat M 6 (EFI) 141" 1999 Kawasaki KX500The FMF Power Bomb is a four stroke header pipe unit that has a unique bulge precisely located in the header system. A "pre muffler" of sorts, the Power Bomb actually lowers sound output because it creates more surface area to absorb the sound medium (exhaust). The surface area of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up with the higher pressure