Performance Air Intake For Kia Sedona (2002-2005) With 3.5L V6 Engine BlackOptimize Your Sigma V6 Airflow with the 2002 2005 Kia Sedona Performance Intake Who Its For: Designed specifically for Kia Sedona owners running the 3. 5L Sigma V6 engine who want to improve highway passing power and throttle response in this heavy duty chassis. The Problem: The Sigma V6 is a robust, iron block powerplant, but the factory air box is a major bottleneck. It uses a series of restrictive baffles and corrugated plastic tubing designed