and to answer your question,Originally Posted by etlsport
it would use less air and fuel, making the same power.
at 70mph a vehicle only need 20-70rwhp. 70mph is
about
2000-2200rpm. thats approx 100cfm needed to run
this
speed. but since the VE (volume efficiency) is low
because of low air speed the promotion of more air
flow by volume and velocity is what makes up for
the
lack of without the device.
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