Your car’s intake system is its lifeline for clean, measured airflow — and even small leaks, cracks, or clogs can sap performance and fuel efficiency. From vacuum leaks to clogged filters, these ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

GMC is offering a new engine breathing upgrade for the 2025 GMC Sierra 1500, opening up the 6.2L V8 with a Performance Air Intake System. The new factory-installed performance option is tagged with ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...