2014-2021 Mazda 3 L4 2.5L Naturally Aspirated. 2014-2021 Mazda 6 L4 2.5L Naturally Aspirated. 2014-2016 Mazda CX-5 L4 2.5L Naturally Aspirated. 1 x Intake Manifold with Seals. Constructed from lightweight, corrosion resistant aluminum, theseradiators feature advanced cooling fin designs for improved heatdissipation ideal for high stress applications like racing or towing.