MagnaFlow Exhaust Products 2.50in. Universal California OBDII Catalytic Converter Conv Univ 2.50 Rear 1997 Ford F-150 4.2 1997 Ford F-150 4.6 1998 Ford F-150 4.2 1998 Ford F-150 4.6 1999 Ford F-150 4.2 1999 Ford F-150 4.6 2000 Ford F-150 4.2 2000 Ford F-150 4.6 2003 Ford F-150 4.6 2003 Ford F-150 5.4 2001 Ford F-150 4.2 2001 Ford F-150 4.6 2002 Ford F-150 4.6 1997 Ford F-250 4.6 1998 Ford F-250 4.6 1999 Ford F-250 4.6 2004 Ford F-150 4.6 2004 Ford F-150 5.4