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When Porsche designs an intake manifold, they do things differently. While most car companies try to increase pressure of air entering an engine, Porsche tries to expand that air. Here's how it works.

Your intake manifold. It takes in air and sends it to your engine's combustion chamber. This is basically the start of the combustion process. After all, you can't have combustion without air.

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

Fitting Porsche Motorsport's beloved 4.0-liter flat-six in a 718 Cayman required the automaker to redesign the intake. In addition to the typical intakes behind the doors, there are new intakes ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...