Air Cleaners For years, Moroso Air Cleaners and Accessories have set the standard by which all others are judged. Whether in triple-process chrome steel or anodized aluminum colors, Moroso Air Cleaners provide the racer or street-performance enthusiast with improved air flow, a lower stacking height, and unequalled fit and finish. Moroso Air Cleaners and Accessories are simply the best money can buy! *Not legal for sale or use on pollution-controlled vehicles unless originally equipped with an open element air cleaner.