Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CRF250R (2010–2013), CRF450R (2009–2012) – High-Performance Off-Road Motocross Filter for PowerFlow Kit(OEM Part # 17213-MFJ-D40) Bath Upgrade your Yamaha YZ250F or

Upgrade your Yamaha YZ250F or YZ450F (2009-2013) with the Polisport Chain Guide and Slider Kit

Perfect for automotive shops

a variable‑helix flute for rapid chip removal

Brushless motor and durable German-engineered mechanism for efficient performance and runtime

Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CRF250R (2010–2013), CRF450R (2009–2012) – High-Performance Off-Road Motocross Filter for PowerFlow Kit(OEM Part # 17213-MFJ-D40) Bath Upgrade your Yamaha YZ250F orThe Twin Air 150220FR Dual Stage Foam Air Filter is engineered for Honda CRF250R (20102013) and CRF450R (20092012) models equipped with the PowerFlow Kit (150220C). Designed for elite off road performance, this pre oiled filter maximizes airflow while trapping fine dust and debris. Its dual layer foam construction ensures superior engine protection, durability, and race ready responsiveness in the harshest riding conditions.