K&N Engineering has expanded its Performance Diesel lineup with new NextGen Air Intake Systems and Dryflow replacement air filters for late-model Ford, GM, and Ram diesel pickups. For Off-Road.com ...

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 ...

Cold air intake filter cleaning is necessary to maintain the fuel economy of your car. When properly maintained, the cold air intake can increase your car's horsepower by increasing the flow of air to ...

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 ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

If an engine’s induction system is only as good as its weakest link, then a set of 400-cfm cylinder heads, giant intake valves, and mega-flow carburetors don’t mean squat if they’re getting choked ...

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 ...

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 ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...

Car enthusiasts are always on the hunt for something new that will improve the ride in their vehicle. From the track to local city streets, a car that's reliable and equally fun to drive is a major ...