Intake Manifolds

A Trick Flow® High-Flow Upper Plenum can add as much as 100 cfm of additional air over stock. In fact, these plenums increase airflow by 20% with a stock throttle body and 30% with an aftermarket 70mm or 75mm throttle body. Made for 1996-2004 4.6L 2V...

A Trick Flow® High-Flow Upper Plenum can add as much as 100 cfm of additional air over stock. In fact, these plenums increase airflow by 20% with a stock throttle body and 30% with an aftermarket 70mm or 75mm throttle body. Made for 1996-2004 4.6L 2V...