increase in intake noise, which may manifest as a sucking sound, and the loss of any silencing properties that the factory intake had. Aircraft Pitot sensors are used to measure ram pressure which, along with static pressure, is used to estimate the airspeed of an aircraft. See also Air filter Booster Ramjet Supercharger Turbocharger Warm air intake Short ram air intake Diffuser (automotive) References Engine technology Automotive technologies Motorcycle engines