Modern intake manifolds for engines with port fuel injection are typically made of die-cast aluminum or plastic.

Name: Modern intake manifolds for engines with port fuel injection are typically made of die-cast aluminum or plastic.
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Modern intake manifolds are often made from lightweight materials such as die-cast aluminum or various forms of plastic to reduce overall vehicle weight and improve fuel efficiency, while also offering design flexibility and corrosion resistance.

Modern Intake Manifolds for Engines with Port Fuel Injection Are