AEM intake tubes are engineered for racers, builders and fabricators to create custom ducting for turbocharger systems and air intakes. Made from high-quality 6063 aluminum alloy, this tube can be cut, spliced or welded to fit a wide spectrum of custom applications while withstanding high heat and stress. AEM intake tubes are engineered for racers, builders and fabricators to create custom ducting for turbocharger systems and air intakes. Made from high-quality 6063 aluminum alloy, this tube can be cut, spliced or welded.