Performance Air Intake for Isuzu Hombre (1996-2005) 4.3L EngineSharpen the Throttle Response of Your Isuzu Hombre 4. 3L Vortec 4300 Who Its For: Designed specifically for Isuzu Hombre owners running the legendary GM sourced Vortec 4300 V6 engine who want to wake up their trucks acceleration and towing performance. The Problem: The Vortec 4300 is a workhorse, but the factory air box is a plastic maze designed for noise suppression rather than airflow. In the compact engine bay of the Hombre, the stock plastic