Last month we showed what gains were available from three aftermarket Three-Valve intake manifolds in naturally aspirated trim. This month we're going to try the same three intakes, only now we'll see ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...

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 ...

Given the amount of time and effort that goes into the design of a factory intake manifold, it's not surprising that it's sometimes difficult to improve upon the stock induction system. Stock ...

Have you ever wondered what the inside of an intake manifold looks like while a car is being driven? Wonder no more as that is exactly what this video shows. This clip comes from YouTuber Warped ...

Porsche often does things backwards—just look at the 911, keeper of the rear-engine flame. But that philosophy extends to smaller things, too, as Jason Fenske of the YouTube channel Engineering ...

An upgrade to a premium air intake manifold delivers significant performance breakthroughs to enthusiasts who care about vehicle enhancement. All car owners who drive 6.7 Cummins diesel engines and ...

The problem: The engine may run roughly due to exhaust-gas recirculation system ports in the intake manifold being clogged with carbon. Vehicles affected by service bulletin: See More Service ...

Sure, my garage already had a Lexus LS400 intake and an NOS Jeep Tornado valve cover on the wall, but these things just intensified my need for a 928 intake. I see 928s in cheap self-service wrecking ...