One million miles of clean air-guaranteed! A K&N Filter Charger air filter uses cotton fabric soaked with oil to trap dirt, dust and other debris, yet it flows up to 3 times more than paper filters! Never buy another filter again. Roll the filter in K&N's cleaning solution, re-oil it, and it's new.
Purchase your K&N Focus Drop-In Filter for your 2000-2004 Ford Focus at Steeda Autosports today!
California Residents: Proposition 65 Warning