The following Cold Air Intakes were designed to fit your Ford Focus:
AEM Cold Air Intake System- $209.30
AEM Short Ram Intake System- $99.77
Airaid Cold Air Intake System- $181.90
K&N 69 Series Typhoon Intake Systems- $172.50
K&N FIPK I/II Cold Air Intake- $166.31
Volant Cold Air Intakes- $142.95
Model years for Focus cold air intakes include 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 and earlier.