Veteran readers of HRM—especially those who were with us during the '50s and early '60s—will remember how much editorial space we devoted to the creation of horsepower, handling, and headers. Not how ...

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.

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 ...

If you are any kind of gearhead or have worked with engines for even a little while, then you are likely familiar with the rules of thumb when it comes to intake manifolds and horsepower. The main ...

In a naturally aspirated engine, as air comes in through the intake and passes through the throttle body, you've traditionally had two setups for what happens next. Using longer, narrower intake ...