Engines are nothing more than elaborate air pumps, and as such they rely on a steady supply of air and fuel. The fuel side is fairly straightforward, but often times an engine's potential is choked ...

While many air-intake systems are available for the popular 4.0L-equipped Jeep Wrangler, none offers the unique design of the Spectre Performance intake system. The Spectre kit offers an ...

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 ...