Anyone see that info-mercial where stationary fan blades are inserted
into
the airflow behind the air filter?   They call it an Air Tornado or
something.  Spin the air, create a vortex and it should flow through
the
intake ducting more smoothly.

Snake Oil!

Right!!
...and other magicians try to sell stuff to straighten out the airflow, so
it wouldn't go around and around like in a vortex, but aligned with the
direction of the flow! :))
Take your choice!!

Thomas J.

 
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