Subaru 2009 IMPREZA Service Manual page 326

(1) Gasket
(2) Spring
(3) Chamber
(4) Rear exhaust pipe
(5) Cushion rubber
(6) Self-locking nut
(7) Gasket
(8) Muffler RH
(9) Muffler LH
(10) Center exhaust pipe front upper
cover
(11) Rear catalytic converter upper cover
(12) Center exhaust pipe
(13) Rear catalytic converter
(14) Rear catalytic converter lower cover
(15) Center exhaust pipe front lower
cover
General Description
(16) Front oxygen (A/F) sensor
(17) Front catalytic converter
(18) Rear oxygen sensor
(19) Gasket
(20) Gasket
(21) Front exhaust pipe
(22) Front exhaust pipe upper cover LH
(23) Front exhaust pipe upper cover RH
(24) Front catalytic converter upper cover
(25) Front catalytic converter lower cover
(26) Front exhaust pipe lower cover RH
(27) Front exhaust pipe lower cover LH
(28) Band
(29) Ornamental muffler tip (Models
with ornamental muffler tips)
(30) Hanger bracket (MT model)
EX(H4SO)-3
(31) Hanger bracket (AT model)
Tightening torque:N·m (kgf-m, ft-lb)
T1: 7.5 (0.8, 5.5)
T2: 13 (1.3, 9.6)
T3: 18 (1.8, 13.3)
T4: 23 (2.3, 17.0)
T5: 30 (3.1, 22.1)
T6: 35 (3.6, 25.8)
T7: 40 (4.1, 29.5)
T8: 48 (4.9, 35.4)
T9: <Ref. to FU(H4SO)-41, INSTAL-
LATION, Front Oxygen (A/F)
Sensor.>
T10: <Ref. to FU(H4SO)-43, INSTAL-
LATION, Rear Oxygen Sensor.>
EXHAUST