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 ...

My 2012 Mark 6 Volkswagen gti has a NueSpeed Cold Air Intake system on it with a K&N Air Filter. It helps deliver more air for the turbocharged 2.0 liter which I have tuned to Stage 1+ using a Cobb ...

A cold air intake can bring real benefits to your V8 engine's performance and power, delivering greater airflow and bolstered ...

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 ...

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 ...

One of the first modifications many enthusiasts make to their ride is adding a cold-air intake. This replaces the stock intake, a complex, convoluted contraption of pipes and baffles that keep the ...