Forester F4-2.5L Turbo (2009)
3) Lift up the vehicle.
4) Remove the under cover.
5) Remove the front oxygen (A/F) sensor.
6) Remove the exhaust manifold RH lower cover and the exhaust manifold LH cover.
7) Remove the bolts and nuts which hold front exhaust pipe assembly onto turbocharger joint pipe.
8) While holding the front exhaust pipe assembly with one hand, remove the nuts which hold the front exhaust pipe assembly to cylinder head
exhaust port.