AEM Mazda 3 2.3L cold air intake by AEM 21-487 21-488 Cold Air Induction. The AEM Mazda 3 and Mazda 3S cold air intake features a dyno tuned air tube with the AEM high flow, four layer, cotton gauze air filter. The AEM Mazda 3 cold air intake moves the filter outside of the engine compartment in the search for cooler, denser air. Includes complete installation hardware with soft mounts for a perfect fit and comprehensive installation instructions. Made in the U.S.A. Picture above shows a typical AEM cold air intake but is not application specific. Mazda 3 2.3L cold air intake AEM 21-487 21-488 21-487APPLICATIONS:: 2004-2005 MAZDA 3 2.3L manual COLORS:: POLISHEDREDBLUE 21-488APPLICATIONS:: 2004-2005 MAZDA 3S 2.3L COLORS:: POLISHEDREDBLUE Header, exhaust systems, air intakes, lowering springs and more! We welcome CANADIAN customers! For ordering information, click on "Canadian Order Info" at the top left side of this page. LOW COST SHIPPING! Just $12.95 to ship your entire order by U.P.S. ground within the continental United States. Purchase any quantity of items and you pay just $12.95 to have it shipped! The more you order, the more you save! (Orders to Hawaii, Puerto Rico, Virgin Islands, and some parts of Alaska will have additional shipping charges. Customers located in these areas will be emailed the shipping costs for approval before we ship the order.) We use Postal Priority for APO and FPO addresses only. Additional shipping charges may apply to these addresses.