Impreza GT F4-2.5L Turbo (2009)
5) Install the joint pipe to the front exhaust pipe assembly.
NOTE:
Use a new gasket.
Tightening torque:
42.5 Nm (4.3 kgf-m, 31.3 ft-lb)
6) Install the exhaust manifold RH lower cover and exhaust manifold LH cover.
Tightening torque:
19 Nm (1.9 kgf-m, 14.0 ft-lb)
7) Install the front oxygen (A/F) sensor.
8) Install the under cover.
9) Lower the vehicle.
10) Connect the ground cable to battery.