Subaru 2002 Impreza Service Manual page 171

COMPOSITION
Exhaust
2. Composition
NF0441
(1) Right front exhaust pipe
(2) Left front exhaust pipe
(3) Front catalytic converter
(4) Front oxygen (NF) sensor
(5) Rear oxygen sensor
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(6) Center exhaust pipe
(7) Rear catalytic converter
(8) Resonance chamber
(9) Rear exhaust pipe
(IO) Muffler
EX-3