This Moroso S550 Mustang GT Small Body Black Air Oil Separator for your 2015-2017 S550 Mustang GT is manufactured from high-quality billet aluminum featuring heavy-duty brass fitting for the inlet and outlet tubes. The body of this air oil separator is finished in black using an anodizing process. The oil separator also features a billet mounting clamp that connects to a steel mounting bracket for easy installation. This mounting bracket insures the oil separator is always sitting in a level position and not moving around during normal driving conditions.