Impreza WRX STI F4-2.5L Turbo (2008)
9) Remove the front exhaust pipe assembly.
10) Remove the covers from exhaust manifold and front exhaust pipe.
11) Separate the front exhaust pipe from exhaust manifolds.
INSTALLATION
1) Install the front exhaust pipe and the exhaust manifold.
NOTE: Use a new gasket.
Tightening torque: 42.5 Nm (4.3 kgf-m, 31.3 ft. lbs.)
2) Install the front exhaust pipe cover.
Tightening torque: 25 Nm (2.5 kgf-m, 18.4 ft. lbs.)
3) Install the exhaust manifold upper cover RH.
Tightening torque: 19 Nm (1.9 kgf-m, 14.0 ft. lbs.)
4) Install the front exhaust pipe assembly.