Euro Sport Green Filter Cool-Flo Race Air Intake System - VW Mk4 VR6 Lowering Springs The diverter valve's job is

The diverter valve's job is to open when the throttle body is closing or closed

which is the ability to absorb a large amount of dust without reducing air flow capacity

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Euro Sport Green Filter Cool-Flo Race Air Intake System - VW Mk4 VR6 Lowering Springs The diverter valve's job isThis is a true cold air intake system that situates a Green air filter in the lower front region of the car, away from ALL engine heat. The Cool Flo Race system utilizes an easier to install one piece design that uses 3" mandrel bent steel tubing along with a laser cut MAF sensor housing and bracketry. Other features include all tig welded construction and coated with your choice of silver or wrinkle black powdercoat. Intake Tube Mandrel bent steel