Grillcraft SUB1718B MX Series Black Lower 1pc Mesh Grill Grille Insert for Subaru Impreza WRX No Cutting Required. GrillCraft MX-Series Grilles are made from an exclusive steel mesh pattern design along with a micro-frame design. All MX-Series grilles are zinc plated then finished with a 3Stage baked on powder coating. GrillCraft is committed to ensuring that every MX-Series Grille they produce will exceed your expectations, guaranteed. Limited Lifetime Warranty