Subaru Impreza 2003 Service Manual page 313

(1) Front exhaust pipe upper cover
(2) Front exhaust pipe lower cover
(3) Clamp
(4) Front exhaust pipe upper cover LH
(5) Front exhaust pipe lower cover LH
(6) Front exhaust pipe
(7) Front exhaust pipe lower cover RH
(8) Front exhaust pipe upper cover
RH
(9) Gasket
(10) Spring
(11) Chamber
(12) Rear exhaust pipe
(13) Gasket
(14) Self-locking nut
GENERAL DESCRIPTION
(15) Muffler
(16) Cushion rubber
(17) Lower clamp
(18) Center exhaust pipe upper cover
(19) Center exhaust pipe lower cover
(20) Protector
(21) Gasket
(22) Front oxygen (A/F) sensor
(23) Front catalytic converter
(24) Center exhaust pipe
(25) Front catalytic converter lower
cover
(26) Front catalytic converter upper
cover
(27) Rear oxygen sensor
EX(H4SO)-3
(28) Rear catalytic converter upper
cover
(29) Rear catalytic converter lower
cover
(30) Rear catalytic converter
(31) 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: 21 (2.1, 15.2)
T5: 30 (3.1, 22.4)
T6: 35 (3.6, 26.0)
T7: 48 (4.9, 35.4)
EXHAUST