Cold Air Intake for Ford Mustang (2005-2009) 4.0L V6 Engine

Cold Air Intake Kit for Ford Mustang 4.0L V6 (2005–2009) Enhanced Airflow and Increased Power

This cold air intake kit is designed to replace the factory air box on 2005–2009 Ford Mustang models equipped with the 4.0L V6 engine. The system reduces intake restriction by using optimized piping and a high-flow air filter, allowing increased air volume to reach the engine. This results in improved throttle response, enhanced airflow efficiency, and measurable gains in horsepower and torque throughout the RPM range.

The intake system uses larger diameter tubing compared to the factory intake tract, reducing airflow restriction and allowing the engine to draw air more efficiently. The design positions the air filter to access cooler air, which is denser and contains more oxygen for combustion. This contributes to improved engine performance during acceleration and under load conditions.

Vehicle Fitment

• 2005–2009 Ford Mustang (4.0L V6 engine)

Performance & Design

The system is engineered to improve airflow by eliminating restrictive elements in the factory intake path. Testing under controlled conditions has shown potential gains of up to 10% in horsepower and torque. Actual performance improvements will vary based on vehicle condition, elevation, ambient temperature, and existing modifications. The improved airflow also enhances throttle response, particularly during acceleration and passing maneuvers.

The intake pipe features smooth internal surfaces to minimize turbulence and maintain consistent airflow velocity. The high-flow air filter provides adequate filtration while reducing restriction compared to the factory paper element. The open-element design produces a more audible induction sound during acceleration, providing increased engine note under throttle input.

Features & Components

• Optimized intake piping for reduced restriction
• High-flow performance air filter
• Designed to draw cooler, denser air
• Improves air-to-fuel ratio efficiency
• Enhances throttle response across RPM range
• Direct replacement for factory air box
• Produces more audible induction sound

What's Included

• Intake piping assembly
• High-flow air filter
• Silicone couplers
• Stainless steel clamps
• Installation hardware

Installation

• Direct replacement for factory air intake system
• Uses existing mounting locations
• No cutting or drilling required
• Basic hand tools required for installation
• Engine must be completely cool before beginning work

Installation Note:
Before beginning installation, disconnect the negative battery cable and leave it disconnected for at least one minute after installation is complete. This allows the engine control unit to reset and adapt to the modified airflow characteristics. The ECU will recalibrate fuel delivery and ignition timing to optimize performance with the new intake system. Always ensure the engine is completely cool before performing any engine bay work.

Airflow & Filtration

The high-flow air filter is designed to capture contaminants while maintaining lower restriction compared to factory filtration. The filter element provides adequate protection for internal engine components while allowing increased airflow volume. The intake design positions the filter to access air from outside the immediate engine bay area, reducing intake air temperature and increasing air density for improved combustion efficiency.

This cold air intake kit provides improved airflow characteristics for the 4.0L V6 Mustang engine while maintaining reliable filtration and a direct-fit installation. The system is designed to work with factory engine management components without requiring additional modifications or tuning.