Use this cold air intake in your daily driving or when you want to enhance your car's performance on the road. It's perfect for Nissan Altima owners who want to improve their vehicle's power and efficiency. The air intake tube is made of mandrel - bent aluminum with a durable gunmetal gray powder - coated finish. The AEM Dryflow air filter is tapered cylinder - shaped and made from an oil - free, synthetic filter media. This system fits in the original air box space and is protected by a heat shield. It can accommodate the engine's factory emissions control devices.