It is item #3 as RobLog posted above. You might be better off ordering the newer version of the duct assembly, since that rubber joint was eliminated on '03+ Outbacks and that section is molded plastic and won't deteriorate like the rubber joint on the earlier Outbacks.
http://opposedforces.com/parts/lega...arger/air_cleaner_and_element/illustration_7/
The newer version of the intake section is #4 in the diagram above
Part# for the newer version of intake tube: 46010AE00C
Price on subaruparts.com: $63.72
http://opposedforces.com/parts/lega...arger/air_cleaner_and_element/illustration_7/
The newer version of the intake section is #4 in the diagram above
Part# for the newer version of intake tube: 46010AE00C
Price on subaruparts.com: $63.72