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 ...

If you drive a car with an internal combustion engine — basically any modern vehicle that isn't electric — it requires a combination of oxygen and fuel to run. The fuel comes in the form of gasoline ...

If you drive a car with an internal combustion engine, which is most modern vehicles that run on fossil fuels, then your engine requires a precise combination of fuel and oxygen to function properly.

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 ...

The answer to whether it's possible to clean your car's engine air filter depends on the type of filter in question. Most cars have disposable OEM paper filters that don't last for very long before ...

The introduction of the Gen III and IV LS and the Gen V LT V-8s are some of the greatest innovations for our hobby. They're a simple drop-in engine swap because virtually everything imaginable is ...

Adding real horsepower without tearing your car down to the firewall is not a fantasy. With the right mix of tuning, airflow, ...

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 ...