aFe Momentum GT Cold Air Intake System

2007–2011 Jeep Wrangler JK 3.8L with Mechanical Fan

Part #: 51-76213

Overview

The aFe Momentum GT Cold Air Intake System with Pro DRY S Filter is engineered specifically for the 2007 to 2011 Jeep Wrangler JK equipped with the 3.8L engine and mechanical fan. Designed to deliver a perfect balance of increased power and reliable protection, this intake system represents the next generation of performance air intakes. It is ideal for Jeep enthusiasts seeking enhanced throttle response, improved airflow, and a durable, sealed design that withstands harsh driving conditions.

By replacing the restrictive factory air intake, the Momentum GT system allows your engine to breathe more efficiently, resulting in better combustion and overall performance. Whether you’re tackling off-road trails or cruising on the highway, this intake system provides consistent power gains while maintaining excellent filtration and durability.

Key Features

The Momentum GT Cold Air Intake System incorporates advanced engineering and premium components to ensure superior performance and longevity. Key features include:

• One-piece sealed airbox with a rugged tire tread pattern top for enhanced durability and protection against contaminants
• Massive high-flow Pro DRY S air filter designed to maximize airflow while providing excellent filtration
• Precision-engineered intake tube optimized for smooth airflow and minimal turbulence
• Premium hardware and clamps included for a secure, vibration-resistant installation
• Sealed system design to prevent hot engine air from entering the intake, ensuring cooler, denser air reaches the engine
• Direct-fit application tailored specifically for Jeep Wrangler JK 3.8L engines with mechanical fans, requiring no modifications
• Durable construction materials designed to withstand extreme temperatures and off-road environments

Construction & Design

The aFe Momentum GT intake system is built with high-quality materials to ensure long-lasting performance and reliability. The sealed airbox is constructed from rugged, impact-resistant composite material featuring a unique tire tread pattern on the top cover, which not only adds strength but also helps shed debris and water. The intake tube is crafted from smooth, mandrel-bent aluminum or composite material to reduce airflow restrictions and turbulence.

The Pro DRY S filter utilizes a multi-layer synthetic media that offers excellent filtration efficiency and can be cleaned and reused, providing a cost-effective solution over the life of the vehicle. The entire system is engineered to maintain a sealed environment, protecting the engine from dust, dirt, and water intrusion while delivering cooler air for improved combustion.

Installation & Fitment

Installation of the aFe Momentum GT Cold Air Intake System is straightforward and designed to be completed with basic hand tools. The system is a direct bolt-on replacement for the factory intake on Jeep Wrangler JK models from 2007 to 2011 equipped with the 3.8L engine and mechanical fan. No cutting, drilling, or additional modifications are required, making it accessible for both professional installers and experienced enthusiasts.

All necessary hardware and detailed instructions are included to ensure a smooth installation process. The sealed design also helps maintain factory-like fitment and appearance under the hood.

What's Included

• One-piece sealed airbox with tire tread top cover
• Massive Pro DRY S high-flow air filter
• Precision-engineered intake tube
• All required mounting hardware and clamps
• Detailed installation instructions

Ideal For

This intake system is perfect for Jeep Wrangler JK owners who want to enhance their vehicle’s performance without sacrificing reliability or requiring complex modifications. It suits daily drivers, off-road enthusiasts, and anyone looking to improve throttle response, engine sound, and overall airflow efficiency. The sealed design also makes it an excellent choice for those who frequently drive in dusty or wet environments and need dependable filtration and protection.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.