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sure. with your setup (or a 997) you need the immediate 90 off the throttle body, but benefit from an equal 90 turn into each intake manifold. with the oem setup you get a shallower approach to the throttle body, but a resultant 135 degree bend to one of the intake manifolds - more opporutnity for delamination, turbulent flow on the inside of the curve and reduced airflow.
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