The intake manifold on your Toyota VVTi engine is represented by those plastic tubes that reunite at some point in a large tube right behind the radiator. Their function is to allow filtered air to ...

Modifying your intake can fundamentally change how your engine breathes. Discover exactly how porting affects performance and ...

Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

Porting an intake manifold is a simple and underrated mod that directly improves engine airflow and power, and it's ...