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 We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.