Cold Air Intake for Dodge Ram 1500/2500/3500 (2003-2008) 5.7L V8 Engine BlueWake Up the Airflow in Your 2003 2008 Dodge Ram 5. 7L Hemi V8 Who Its For: Designed specifically for Dodge Ram 1500, 2500, and 3500 owners running the legendary 5. 7L Hemi V8 engine who want to improve throttle response and hear that signature Hemi growl under load. The Problem: The factory airbox on the early 5. 7L Hemi V8 is a textbook example of restriction. Between the baffled plastic tubing and the thick paper filter, the engine has to fight for