Subaru IMPREZA 2004 Service Manual page 647

Front Catalytic Converter
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. Front Catalytic Converter
A: REMOVAL
The front catalytic converter and center exhaust
pipe are integrated into one unit. Therefore, the re-
moval procedures are the same as those for center
exhaust pipe. <Ref. to EX(H4SOw/oOBD)-9, RE-
MOVAL, Center Exhaust Pipe.>
B: INSTALLATION
The front catalytic converter and center exhaust
pipe are integrated into one unit. Therefore, the in-
stallation procedures are the same as those for
center exhaust pipe. <Ref. to EX(H4SOw/oOBD)-
9, INSTALLATION, Center Exhaust Pipe.>
C: INSPECTION
1) Make sure there are no exhaust leaks from con-
nections and welds.
2) Make sure there are no holes or rusting.
EC(H4SOw/oOBD)-3