MagnaFlow Exhaust Products Universal HM Grade Federal (Exc. CA) Conv Univ 3" 1999 Ford F-250 Super Duty 6.8 2000 Ford F-250 Super Duty 6.8 2000 Ford F-250 Super Duty 5.4 2001 Ford F-250 Super Duty 6.8 2001 Ford F-250 Super Duty 5.4 2002 Ford F-250 Super Duty 6.8 2002 Ford F-250 Super Duty 5.4 2003 Ford F-250 Super Duty 6.8 2004 Ford F-250 Super Duty 6.8 2005 Ford F-250 Super Duty 6.8 2005 Ford F-250 Super Duty 5.4 2006 Ford F-250 Super Duty 6.8 2006 Ford F-250 Super Duty 5.4 2007 Ford F-250 Super Duty 6.8 2007 Ford F-250 Super Duty 5.4