Subaru Legacy 2003 Service Manual page 776

2. Front Catalytic Converter
A: REMOVAL
1) Set the vehicle on the lift.
2) Disconnect battery ground cable.
3) Disconnect front oxygen sensor connector.
(With catalytic converter)
4) Lift-up the vehicle.
5) Remove under cover.
<Ref. to EI-13, REMOVAL, Front Under Cover.>
6) Separate front and center exhaust pipe assem-
bly from rear exhaust pipe.
CAUTION:
Be careful, exhaust pipe is hot.
FRONT CATALYTIC CONVERTER
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
FU-00009
EX-00101
FU-00455
EC(H4SOw/oOBD)-3
7) Remove nuts which hold front exhaust pipe onto
cylinder heads.
8) Remove front and center exhaust pipe assembly
from hanger bracket.
CAUTION:
Be careful not to drop front and center exhaust
pipe assembly.
9) Separate front catalytic converter from front ex-
haust pipe.
EX-00102
EX-00049
EX-00050