Injen Power-Flow Cold Air Intake System

2011–2021 Jeep Grand Cherokee / 2011–2023 Dodge Durango 5.7L VVT HEMI V8

Part #: PF5021WB

Overview

The Injen Wrinkle Black Power-Flow Cold Air Intake System is a precision-engineered upgrade designed specifically for the 5.7L VVT HEMI V8 engines found in Jeep Grand Cherokee (2011–2021) and Dodge Durango (2011–2023) models. This intake system enhances engine performance by delivering cooler, denser air, which improves combustion efficiency and power output. Ideal for enthusiasts seeking a reliable, direct-fit solution, it boosts horsepower and torque without compromising drivability or requiring complex tuning.

Built to meet the demands of modern V8 engines, the system improves throttle response and engine sound while maintaining factory air-fuel ratios. Its durable wrinkle black finish and high-quality construction ensure long-lasting performance and a sleek, factory-inspired appearance.

Key Features

The Injen Power-Flow Air Intake System combines advanced engineering and premium materials to provide measurable performance gains and enhanced driving experience. Key features include:

• Dyno-proven gains of up to +11 horsepower and +15 ft-lbs of torque
• Strategic air filter placement to minimize intake air temperatures by avoiding engine heat soak
• SuperNano-Web dry air filter for superior filtration efficiency and easy maintenance without oiling
• Smooth, mandrel-bent 6061-T6 aluminum intake tubing to reduce airflow restrictions
• Direct-fit design with all necessary hardware and detailed instructions for straightforward installation
• Aggressive engine tone enhancement under full throttle for a sportier driving experience
• Durable wrinkle black finish providing corrosion resistance and a factory-inspired look
• Manufactured in Pomona, California, USA, ensuring high-quality standards

Construction & Design

This intake system features precision-crafted 6061-T6 aluminum tubing, known for its strength, lightweight properties, and excellent heat dissipation. The wrinkle black powder-coated finish not only adds a stylish, aggressive appearance but also protects against corrosion and harsh under-hood conditions. The SuperNano-Web dry air filter media offers exceptional filtration performance while being fully serviceable—allowing for easy cleaning and reuse without the need for oiling.

Injen’s design philosophy emphasizes smooth airflow paths to eliminate turbulence and restrictions, enabling the engine to breathe more freely. The intake’s positioning draws in cooler ambient air, which is denser and richer in oxygen, contributing to improved combustion efficiency and increased power output.

Performance & Sound

Dyno-tested to deliver up to 11 horsepower and 15 ft-lbs of torque gains, this Power-Flow Air Intake System enhances acceleration and throttle response for a more engaging driving experience. Additionally, it produces a more aggressive engine tone under full throttle, providing a sportier sound without being intrusive during normal driving conditions.

Installation & Fitment

Designed as a direct bolt-on replacement for the factory air intake, the Injen Power-Flow system includes all necessary components and detailed instructions to ensure a hassle-free installation. No cutting, drilling, or additional tuning is required, preserving your vehicle’s factory air-fuel ratios and compatibility with stock engine management systems.

This intake system fits Dodge Durango models from 2011 through 2023 and Jeep Grand Cherokee models from 2011 through 2021 equipped with the 5.7L VVT HEMI V8 engine, making it a versatile upgrade for a wide range of V8-powered vehicles.

What's Included

• Wrinkle black 6061-T6 aluminum intake tube
• 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 and Dodge Durango owners who want a dependable, high-quality upgrade to improve engine performance, throttle response, and sound without the need for complex modifications or tuning. It suits daily drivers, weekend enthusiasts, and anyone seeking a balanced combination of power, efficiency, and durability.

Emissions Note

This product carries CARB Executive Order #D-476-10, which applies to 2011–2019 model years only. Please verify local regulations before installation to ensure compliance with emissions standards in your area.

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.