This Spectre Performance air filter is a top-quality product that will enhance the performance of your vehicle. It is designed to fit perfectly in your car or truck's air intake system, and is compatible with a wide range of models. The filter is brand new and comes in an open box, but has never been used. It features customized specifications and is equipped with the OE/OEM part number HPR4939 and the manufacturer part number HPR 4939. This air filter is a great addition to any vehicle and will improve its overall performance. Open box