Subaru Legacy 2002 Service Manual page 404

(1) Upper front exhaust pipe cover
CTR
(2) Lower front exhaust pipe cover
CTR
(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
GENERAL DESCRIPTION
(10) Lower center exhaust pipe cover
(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(w/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