Subaru 1998 Forester Owner's Manual page 122

CAUTION
Make certain that the rubber seal is evenly seated on the duct
opening.
5. Install the filter cover and secure with two (2) screws.
6. Fill out information on the small label supplied with the filter kit.
7. Attach small and large labels on the lower part of the center pillar.
4-12
Center pillar
Caution label
Change label
HS0257