Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CRF250R (2004–2005), CRF450R (2003–2008) – High Performance Off Road Motocross Filter for PowerFlow Kit(OEM Part #17213 KRN 850) outdoor The STABILA 78 Inch 32 Inch Type 96M Magnetic K&N The STABILA 78 Inch 32 Inch Type 96M Magnetic Jamber Set comes with two levels of extra versatility it’s the ultimate roof rack for serious explorers this pre oiled filter delivers maximum airflow while trapping fine dust and debris The Twin Air 150212FR Dual Stage Foam Air Filter is precision engineered for Honda CRF250R (2004–2005) and CRF450R (2003–2008) models equipped with the PowerFlow Kit (150212C)