Upgrade the air intake system on your 2005–2008 Toyota 4Runner with the Weapon R Secret Weapon Intake, part number WPN601-148-101. Designed specifically for models equipped with the 4.7L V8 engine, this intake is engineered to improve airflow to the engine while providing a performance-focused appearance under the hood. Its application-specific design supports a direct, practical installation for compatible Toyota 4Runner vehicles.
The Weapon R Secret Weapon Intake is built for automotive performance applications and is intended to help optimize the path of incoming air compared with the factory intake system. Improved airflow can support responsive engine performance and complement other upgrades, making this intake a suitable choice for drivers seeking a more performance-oriented induction setup. Verify vehicle configuration and engine application before ordering to ensure proper fitment.
This Weapon R intake is not CARB approved and may not be legal for use on pollution-controlled vehicles in certain states or regions. A CARB acknowledgement is required before purchase or installation. It is intended for off-road, racing, or otherwise exempt applications where permitted by law. Professional installation is recommended, and all emissions regulations should be reviewed before use. Fits 2005, 2006, 2007, and 2008 Toyota 4Runner models equipped with the 4.7L V8 engine.
Features: