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 ...

While the OEMs overwhelmingly opt for paper air filters, cotton gauze filters are a staple of aftermarket induction systems. So what makes the cotton gauze medium so much more conducive to airflow?

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.

Regular readers will recall last month's testing of two Motordyne bolt-ons that successfully proved Helmholtz resonance can be used to increase exhaust gas scavenging and help your ride put out a few ...

Q: During my car's last routine service, the workshop replaced the air filter. It was the first time the air filter had been replaced. What does this filter do and is it necessary to replace it? Also, ...

There are two most important things your car feeds on, fuel and air. The engine takes in fuel and air in the cylinders and burns them to create necessary power to get your car moving. But what is most ...

It makes the car more fuel efficient and emissions are reduced A CHEAP hack can reportedly upgrade your car’s engine for as little as £30 – and it helps cut fuel costs. A cold air intake system works ...