An air cleaner assembly comprising: a housing having at least one sidewall, the housing defining: an interior cavity configured to receive an air filter element; an inlet opening configured to receive air to be filtered; a first outlet opening configured to discharge filtered air, and a second outlet opening configured to discharge filtered air; a noise suppression chamber formed by the at least one sidewall of the housing and an exterior sidewall spaced from the at least one sidewall of the housing, wherein the second outlet opening extends through the at least one sidewall of the housing in a region of the noise suppression chamber such that filtered air is delivered through the second outlet opening into the noise suppression chamber, and the noise suppression chamber has an airflow outlet configured to discharge air from the noise suppression chamber, the noise suppression chamber being suitable for acoustically dampening the airstream passing through it; wherein the at least one sidewall has a cylindrical shape, wherein the exterior sidewall is planar such that a distance between the planar exterior sidewall and at least one sidewall varies across a curvature of the at least one sidewall; wherein the housing has a length, the noise suppression chamber has a length, and the length of the noise suppression chamber is parallel to the length of the housing; and wherein the second outlet opening and the airflow outlet are positioned at opposite ends along the length of the noise suppression chamber. a housing having at least one sidewall, the housing defining: an interior cavity configured to receive an air filter element; an inlet opening configured to receive air to be filtered; a first outlet opening configured to discharge filtered air, and a second outlet opening configured to discharge filtered air; an interior cavity configured to receive an air filter element; an inlet opening configured to receive air to be filtered; a first outlet opening configured to discharge filtered air, and a second outlet opening configured to discharge filtered air; a noise suppression chamber formed by the at least one sidewall of the housing and an exterior sidewall spaced from the at least one sidewall of the housing, wherein the second outlet opening extends through the at least one sidewall of the housing in a region of the noise suppression chamber such that filtered air is delivered through the second outlet opening into the noise suppression chamber, and the noise suppression chamber has an airflow outlet configured to discharge air from the noise suppression chamber, the noise suppression chamber being suitable for acoustically dampening the airstream passing through it; wherein the at least one sidewall has a cylindrical shape, wherein the exterior sidewall is planar such that a distance between the planar exterior sidewall and at least one sidewall varies across a curvature of the at least one sidewall; wherein the housing has a length, the noise suppression chamber has a length, and the length of the noise suppression chamber is parallel to the length of the housing; and wherein the second outlet opening and the airflow outlet are positioned at opposite ends along the length of the noise suppression chamber.