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 ...

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 ...

OK, all together now, everyone take a deep breath. Didn't that feel good? The same idea applies to your engine. The more air it can ingest, the more power it can make. A high performance intake ...

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.

For years LT1 enthusiasts have been running well into the nines with factory LT1 and LT4 intake manifolds. With some porting the factory castings have proven capable competitors, even on big-cube and ...

VW and its partners on the air intake manifold project, which was first discussed in 2009 at a conference in Germany (see our initial report here) and now has placed PP manifolds on a wide variety of ...