Injen Polished Tuned Air Intake
2005–2009 Jeep Grand Cherokee 4.7L V8
PF5012P
Overview:
The Injen Polished Tuned Air Intake is engineered to enhance the performance of your 2005 to 2009 Jeep Grand Cherokee equipped with the 4.7L V8 engine. Designed for enthusiasts seeking noticeable horsepower and torque improvements, this intake system delivers a direct-fit solution that maximizes airflow while maintaining optimal air-fuel ratios without requiring additional tuning. Whether you're looking to boost your vehicle’s power output or improve throttle response, the Injen PowerFlow intake offers a reliable upgrade that blends performance with style.
Crafted by Injen Technology, a leader in automotive intake systems, this product is ideal for Jeep owners who want to unlock extra power and enjoy a more aggressive engine tone under full throttle. The system’s design focuses on delivering cooler, denser air to the engine, which translates into better combustion efficiency and enhanced driving excitement.
Key Features:
This intake system incorporates advanced technology and quality materials to ensure superior performance and durability. Key features include:
- Dyno-proven power gains of up to +12 horsepower and +13 ft-lbs of torque
- MR Technology for maintaining proper air-fuel ratios without additional tuning
- 6061-T6 polished aluminum tubing for improved airflow and engine bay aesthetics
- SuperNano-Web dry air filter that is fully serviceable and designed for maximum filtration
- Optimized air filter placement to reduce intake air temperatures by avoiding hot engine bay air
- Smooth, mandrel-bent intake piping to eliminate airflow restrictions
- Includes all necessary hardware and detailed instructions for a direct bolt-on installation
- Limited Lifetime Warranty from Injen Technology for long-term peace of mind
Construction & Design:
The intake system features precision-crafted 6061-T6 aluminum tubing, known for its strength, lightweight properties, and resistance to corrosion. The polished finish not only enhances the visual appeal under the hood but also contributes to smoother airflow dynamics. The design incorporates Injen’s MR Technology, which ensures the air-fuel mixture remains balanced, preserving engine reliability and drivability without the need for aftermarket tuning.
The SuperNano-Web dry filter media is engineered to provide excellent filtration efficiency while allowing high airflow. Its dry design means no oiling is required, simplifying maintenance and reducing the risk of filter contamination. The intake’s strategic placement of the air filter helps draw in cooler ambient air, improving combustion performance.
Performance & Sound
With verified gains of up to 12 horsepower and 13 lb-ft of torque, this intake system significantly enhances engine responsiveness and overall power delivery. The smooth intake piping reduces turbulence and restriction, allowing the engine to breathe more freely. Additionally, the system produces a more aggressive engine tone under full throttle, adding an engaging auditory element to your driving experience.
Installation & Fitment:
The Injen Polished Tuned Air Intake is designed for a direct-fit installation on Jeep Grand Cherokee models from 2005 through 2009 with the 4.7L V8 engine. The kit includes all necessary components and detailed instructions, allowing for a straightforward bolt-on upgrade without the need for modifications or additional tuning. Installation can typically be completed with basic hand tools, making it accessible for both professional installers and experienced enthusiasts.
What's Included:
- 6061-T6 polished aluminum intake tubing
- SuperNano-Web dry air filter
- All mounting hardware and clamps
- Detailed installation instructions
Ideal For:
This intake system is perfect for Jeep Grand Cherokee owners who want to increase horsepower and torque while maintaining factory air-fuel ratios. It suits drivers looking for a reliable, maintenance-friendly upgrade that improves engine sound and performance without the complexity of additional tuning. Enthusiasts who appreciate quality craftsmanship and a polished engine bay appearance will also find this intake an excellent choice.
Emissions Note
This product is not currently CARB exempt and is therefore not legal for sale or use in California or on vehicles registered with the California Department of Motor Vehicles.
