Subaru 2009 IMPREZA Service Manual page 193

Front Catalytic Converter
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. Front Catalytic Converter
A: REMOVAL
The front catalytic converter is integrated into the
front exhaust pipe; therefore, refer to "Front Ex-
haust Pipe" for the removal procedure. <Ref. to
EX(H4SO)-6, REMOVAL, Front Exhaust Pipe.>
B: INSTALLATION
The front catalytic converter is integrated into the
front exhaust pipe; therefore, refer to "Front Ex-
haust Pipe" for the installation procedure. <Ref. to
EX(H4SO)-7, INSTALLATION, Front Exhaust
Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
EC(H4SO)-3