Subaru LEGACY 2004 Service Manual page 21

Intake Manifold
FUEL INJECTION (FUEL SYSTEMS)
Tightening torque:
⋅
19 N m (1.9 kgf-m, 13.7 ft-lb)
FU-02063
E: INSPECTION
Make sure the fuel pipe and fuel hoses are not
damaged and the connections are tightened firmly.
FU(H4SO 2.0)-19