Subaru Legacy 2003 Service Manual page 790

(1) Upper front exhaust pipe cover
(2) Lower front exhaust pipe cover
(3) Front exhaust pipe
(4) Oxygen sensor
(5) Front catalytic converter
(6) Upper front catalytic converter
cover
(7) Lower front catalytic converter
cover
(8) Clamp
(9) Upper center exhaust pipe cover
(10) Lower center exhaust pipe cover
GENERAL DESCRIPTION
(11) Gasket
(12) Upper rear catalytic converter
cover
(13) Lower rear catalytic converter
cover
(14) Rear catalytic converter
(15) Center exhaust pipe
(16) Spring
(17) Rear exhaust pipe
(18) Gasket
(19) Cushion rubber
(20) Muffler
EX(H4SOw/oOBD)-3
(21) Self-locking nut
(22) Protector
(23) Gasket
Tightening torque: N·m (kgf-m, ft-lb)
T1: 8 (0.8, 5.8)
T2: 13 (1.3, 9.4)
T3: 18 (1.8, 13.0)
T4: 30 (3.1, 22.4)
T5: 35 (3.6, 26.0)
T6: 48 (4.9, 35.4)
EXHAUST