Cold Air Filter Intake for Land Rover Range Rover (2006-2009) 4.4L Non-Supercharged EngineHigh Flow Cold Air Intake for 2006 2009 Land Rover Range Rover (AJ41 L322) What It Does: Replaces the restrictive factory airbox and corrugated intake bellows with a high polished aluminum mandrel bent tube and heat shielded stack filter to increase volumetric efficiency and reduce intake air temperatures (IAT). The Stock Range Rover Airflow Bottleneck The factory intake system on the 2006 2009 L322 Range Rover is engineered primarily for noise