Yep. But the secondaries open on their own when needed. At low revs, using a narrower, longer intake will get the air in faster. That's what the secondaries do: change the intake geometry so that it's optimized for both low and high rpm. Do you think Ford would spend all that money on the secondary system if it hurt power? They are the only reason we have a 3000lb car that feels good in the low rev range with only a 2.5L engine.
