The aFe Power Magnum FLOW Pro 5R Air Filter features five layers of pre-oiled cotton gauze media to provide maximum performance in your Corvette. Its progressive layering allows the filter to flow at high levels even when dirty and is perfect for street and/or track use. aFe Power performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing increased flow and greater dust holding capacity. The pliable sealing surface conforms to even the most uneven filter housing, making for a perfect filter fit and sealing surface every time. This design eliminates the use of gaskets or sealants and always goes back to its original form. The Magnum FLOW Pro 5R Air Filter is constructed with a polyurethane base and top. Unlike other materials that degrade after repeated heat cycles in an engine bay, polyurethane maintains its original molded shape.