There’s hardly anything on a truck that’s simpler than its air-intake system. And not too many things – maybe only your right foot – that can have as much effect on fuel economy. A diesel engine needs ...

Two other reasons for the demise of air-filter choice are aerodynamic truck styling, which places the air-intake system and filter under the hood instead of hung alongside it, and exhaust emissions ...

Gas and diesel engines still power most vehicles and look poised to be with us for some time to come, even if their dominance is waning. Any engine that develops its power from burning fuel depends on ...

Several aftermarket manufacturers sell engine intake air filters that they claim provide better airflow and increase a car’s horsepower and acceleration as a result. Some of these companies have many ...

Intakes are vital automobile components that work to bring oxygen – a key ingredient in an internal combustion reaction – into the engine’s combustion chamber to modulate how much oxygen mixes with ...

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 ...

You've chromed and polished your engine components, got a new pulley kit but what do you do about that ugly stock intake system? You scrap it. I know a lot of you like painting intake pipes but let's ...

The small-block you see on this month's cover is a superb example of what you get when you combine a nostalgic look with the latest in engine management technology and the result, as we found out on ...

The air intake system in most cars involves a plastic airbox that houses a rectangular filter. No matter what car you have, l bet you can find cheap filters and expensive filters—so you get to decide ...