The following Cold Air Intakes were designed to fit your Ford F-450/550:
AEM Brute Force Air Intakes- $158.09
AFE Cold Air Intakes- $224.95
Airaid Cold Air Intake System- $181.90
AirMAX Spiral Flow Air Intake- $228.95
K&N 63 AirCharger Intake- $163.99
K&N FIPK I/II Cold Air Intake- $166.31
S&B Cold Air Intake Kit- $183.95
Volant Cold Air Intakes- $142.95
Model years for F-450/550 cold air intakes include 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 and earlier.