It's a known fact that additional air can provide improvements in engine performance and fuel efficiency. But most truck owners don't realize that the quality and temperature of the air has a lot more ...

In its purest form, an engine is nothing more than an air pump; it takes in air and then returns it, although in a slightly modified form. Maximizing an engine's ability to process air will also ...

One of the first modifications we make to our trucks is the addition of a cold-air intake—but what kind of power do we really stand to gain from this $300 investment? Because 10 to 30hp increases are ...

Spelab diesel performance products help improve airflow efficiency, exhaust dynamics, and system durability under demanding ...

If there's one trick that any car can benefit from, it's cleaning up the path of airflow to the intake and providing a route for the coolest air possible. Unfortunately, in stock form most muscle cars ...

The purpose of a cold-air intake is to find cold air in an otherwise hot under-hood environment. It can do this by drawing air from above the hood, under the front bumper or a spot inside the engine ...