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 ...

When you think about vehicles with factory ram air intakes, high-performance Pontiacs and SRT products probably come to mind. But such a forced-air system is now standard on 2017 Chevrolet Silverado ...

A tuned intake induction system using a Helmholtz resonator was applied to an in-line six cylinder, four cycle heavy duty diesel engine. The system adopted was designed to maximize the engine ...

The cold-air induction coming straight from the twin-nostril hoodscoop, plus exhaust tuning, brings the Firebird LTl's output to 305 horsepower and 335 Ibs-ft of torque. A year ago we showed you ...

With engines getting as complicated as they are nowadays, it's no wonder that improving airflow into your engine is one of the first mods a typical owner makes. Improving efficiency on the outsideof ...

There was a time when fleet managers and owner-operators specified many components on their new trucks and tractors, but that's been seriously curtailed by vertical integration — the practice of ...