You have a 05, there are a few things you'll want to do while the intake manifold is lifted off the engine.
Replace the orange o-rings at Intake to TGV's.
Tighten the 6 hose clamps on the gas lines.
Rotate the one clamp so you can tighten from the top, if ever needed.
Have screw type hose clamps ready, to replace the oem style that need special tool.
See my thread for some pictures.
195k, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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