Injen PowerFlow Cold Air Intake

Jeep Grand Cherokee 05-09 5.7L Hemi

Part #: PF5012WB

Overview

The Injen PowerFlow Cold Air Intake in wrinkle black finish is a precision-engineered upgrade designed specifically for the 2005 to 2009 Jeep Grand Cherokee equipped with the 4.7L V8 engine. This intake system replaces the factory air intake with a high-performance alternative that improves airflow, resulting in enhanced horsepower and torque without sacrificing drivability or reliability.

Ideal for Jeep enthusiasts who want to unlock additional power and improve throttle response, the PowerFlow intake delivers a smoother, more efficient air path that helps your engine breathe better. Its rugged wrinkle black finish also adds a clean, aggressive look to your engine bay, making it a perfect blend of form and function.

Key Features

Injen’s PowerFlow intake system incorporates advanced design and technology to maximize performance gains and durability:

• Dyno-proven increases of up to +12 horsepower and +13 ft-lbs of torque
• MR Technology ensures optimal air/fuel ratios without the need for additional tuning
• Constructed from lightweight, strong 6061-T6 aluminum tubing with a durable wrinkle black finish
• Strategically positioned air filter reduces intake air temperatures by drawing cooler air away from engine heat
• Fully serviceable Injen SuperNano-Web dry air filter provides long-lasting filtration and easy maintenance
• Smooth, mandrel-bent intake piping eliminates airflow restrictions for maximum efficiency
• Includes all necessary hardware and detailed instructions for a direct bolt-on installation
• Backed by Injen’s Limited Lifetime Warranty for peace of mind

Construction & Design

The intake system is crafted from premium 6061-T6 aluminum tubing, known for its excellent strength-to-weight ratio and superior heat dissipation properties. The wrinkle black finish not only enhances corrosion resistance but also adds a distinctive, rugged aesthetic to your engine bay.

Engineered with smooth mandrel bends, the intake piping minimizes turbulence and airflow restrictions, allowing your 4.7L V8 engine to inhale air more efficiently. The air filter is carefully positioned to draw in cooler, denser air from outside the hot engine compartment, improving combustion efficiency and contributing to the system’s performance gains.

Performance & Sound

With the Injen PowerFlow intake installed, expect a noticeable improvement in horsepower and torque, translating to quicker acceleration and enhanced throttle response. Additionally, the intake produces a deeper, more aggressive engine tone under full throttle, giving your Jeep a sportier sound without excessive noise or drone.

Installation & Fitment

This intake system is designed as a direct-fit upgrade for Jeep Grand Cherokee models from 2005 through 2009 with the 4.7L V8 engine. Installation is straightforward and requires no permanent modifications, making it accessible for both professional installers and experienced enthusiasts. The kit includes all necessary mounting hardware and detailed instructions to ensure a smooth, hassle-free installation process.

What's Included

• 6061-T6 aluminum intake tubing with wrinkle black finish
• Injen SuperNano-Web dry air filter
• All required mounting hardware and clamps
• Detailed installation instructions

Ideal For

This intake system is perfect for Jeep Grand Cherokee owners seeking a reliable, high-quality performance upgrade that enhances engine power and sound without extensive modifications. It suits daily drivers, weekend enthusiasts, and anyone looking to improve their vehicle’s responsiveness and engine bay appearance.

Emissions Note

This product is not currently CARB exempt and is therefore not legal for sale or use in California or any other states adopting California emissions standards. Please verify local regulations before purchasing.

Injen is a performance intake and airflow brand best known for dyno-proven cold air intakes and intake systems built for enthusiast street and track builds. Their catalog spans intake kits, filters, and supporting components designed to increase airflow, sharpen throttle response, and add a more aggressive induction note.