Z22YH inlet manifold

hi not been on here for a while since conveting to lexus anyway just a quick one my mates dad has a vectra 2.2 z22yh engine the swirl flap bar is shot so after a bit of internet help decided to buy a manifold of a 2008 vec his is a 2004 vec well only just noticed the recirculation pipe from the head to manifold is blocked on the later manifold is it ok just to buy or make a blanking plate for the head and do away with it altogether thanx in advance
 
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