Your engine can only provide as much power as the smallest bottle neck in the breathing tract. Performance intakes, after-cat exhaust systems, and headers remove many of the restrictions in airflow ...

People of a certain age may be astounded to learn that some classic and muscle car owners and customizers are adding a catalytic converter to their vehicle’s exhaust system. “A ‘cat’ today doesn’t sap ...

Facepalm. You know what that means, don’t you? That’s when you encounter something so stupid your only recourse is to smash the palm of your hand onto your face in frustration. Take our 2001 Tacoma ...