Subaru LEGACY 2002 Quick Reference Index page 147

2. Composition
A: WITH CATALYTIC CONVERTER (EXCEPT AUSTRALIA OUTBACK MODELS)
2000 cc Models
(4) (3)
(1)
(2)
2500 cc Models
(3)
(1) (4)
(7)
(2)
(1) Front exhaust pipe RH
(2) Front exhaust pipe LH
(3) Front catalytic converter
(4) Oxygen sensor
(5) Center exhaust pipe
COMPOSITION
(7)
(5)
(6)
(5)
(7)
(6)
EX-3
(8)
(8)
(6) Rear catalytic converter
(7) Resonance chamber
(8) Rear exhaust pipe
(9) Muffler
Exhaust
(9)
B2H4759A
(9)
B2H4629A