Front Exhaust Pipe: Installation

Set the front exhaust pipe and center exhaust pipe to the cylinder head as a unit, and temporally tighten the nuts which secure the front exhaust pipe to cylinder head.
NOTE: Use a new gasket.

Fig 1: Locating Front Exhaust Pipe And Cylinder Head Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the bolts, springs, and nuts which secure the center exhaust pipe to the rear exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 2: Locating Center Exhaust Pipe And Rear Exhaust Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which secure the center exhaust pipe to the hanger bracket.
Tightening torque:

35 N.m (3.6 kgf-m, 25.8 ft-lb)

Fig 3: Locating Center Exhaust Pipe Hanger Bracket Bolt
Courtesy of SUBARU OF AMERICA, INC.
Tighten the nuts which hold front exhaust pipe to cylinder heads.
Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 4: Locating Front Exhaust Pipe And Cylinder Head Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B), and fasten the harness with the clip (C).

Fig 5: Front And Rear Oxygen (A/F) Sensor Connector And Harness Clip
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Ref. to INSTALLATION , Front Under Cover.
Lower the vehicle.
Connect the ground terminal to battery sensor. Ref. to BATTERY