WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal.
Tightening torque:
Clamp (A), (B)
3.0 N.m (0.3 kgf-m, 2.2 ft-lb)
Bolt (C)
6.5 N.m (0.66 kgf-m, 4.8 ft-lb)
Fig 1: Identifying Air Intake Chamber Clamp And Bolts With Connector