AFE POWER L5739721 Inlet Manifold Duramax

( Brand: Afe Power ), ( Part Type: Manifold ), ( Manufacturer Part Number: L5739721 ), ( Fitment Type: Performance/custom ), ( Weight: 7.00 ), ( Width: 13.00 ), ( Length: 18.00 ), ( Engine Type: Diesel )

Review AFE POWER Inlet Manifold Gmc Hd Duramax fits SIERRA CLASSIC 2500 TURBO 2007

The AFE Power L5739721 Turbo Inlet Manifold is a high-performance upgrade for your 2007 GMC Sierra 2500 Classic Duramax. This inlet manifold is designed to replace the factory unit, providing improved airflow and enhanced power output for your diesel engine.

The AFE Power inlet manifold is engineered with a large, 6-inch inlet diameter, which allows for a greater volume of air to be drawn into the engine. The larger inlet diameter reduces air restriction, enabling the engine to breathe more efficiently and deliver increased horsepower and torque.

This inlet manifold is constructed from high-quality, reinforced polymer material that is both lightweight and durable. The material is resistant to heat and corrosion, ensuring long-lasting performance and reliability. The manifold is also designed with a smooth, polished finish that reduces turbulence and promotes laminar flow, further improving airflow and engine efficiency.

The AFE Power L5739721 Turbo Inlet Manifold is also equipped with a unique, patent-pending design called the "Air Filter Relief Valve." This feature allows excess air pressure to be released during high-RPM operation, preventing the air filter from becoming clogged and restricting airflow. This ensures that the engine continues to receive the optimal amount of air, maintaining peak performance.

This inlet manifold is easy to install and comes with all necessary hardware for a hassle-free installation. The manifold is also CNC-machined to ensure precise fitment, eliminating any potential clearance issues or leaks.

By upgrading to the AFE Power L5739721 Turbo Inlet Manifold, you can expect improved engine performance, increased horsepower and torque, and enhanced durability and reliability. This is an excellent upgrade for any 2007 GMC Sierra 2500 Classic Duramax owner looking to get the most out of their diesel engine.

Pros and Cons of Buying an AFE Power L5739721 Turbo Inlet Manifold for a 2007 GMC Sierra 2500 Classic Duramax

The AFE Power L5739721 Turbo Inlet Manifold is a popular aftermarket upgrade for the 2007 GMC Sierra 2500 Classic Duramax. This component improves the airflow efficiency and performance of the engine. In this analysis, we'll discuss the primary advantages (pros) and potential drawbacks (cons) of purchasing this turbo inlet manifold.

1. Increased Airflow: The AFE Power L5739721 Turbo Inlet Manifold is designed to provide better airflow to the engine, resulting in improved combustion efficiency and power output.

2. Enhanced Engine Response: With increased airflow, the engine responds more quickly to acceleration demands, leading to a smoother and more responsive driving experience.

3. Improved Fuel Economy: By optimizing airflow, the AFE Power L5739721 Turbo Inlet Manifold can potentially lead to better fuel economy, as the engine requires less fuel to generate the same amount of power.

4. Durability: The AFE Power L5739721 Turbo Inlet Manifold is made from high-quality materials, ensuring longevity and durability.

1. Cost: The AFE Power L5739721 Turbo Inlet Manifold is a premium aftermarket component, and its cost may be a deterrent for some buyers.

2. Installation Complexity: Installing the AFE Power L5739721 Turbo Inlet Manifold can be a complex process, requiring specialized tools and technical expertise.

3. Potential for Increased Noise: Depending on the specific design of the manifold and the engine setup, there may be an increase in engine noise.

The AFE Power L5739721 Turbo Inlet Manifold is an excellent upgrade for those seeking improved engine performance and efficiency from their 2007 GMC Sierra 2500 Classic Duramax. Although it comes with a higher cost and installation complexity, the benefits of increased airflow, enhanced engine response, potential fuel economy improvements, and durability make it a worthwhile investment for many enthusiasts and commercial users. If you're confident in your installation abilities or have access to professional assistance, this aftermarket component can significantly enhance the driving experience of your vehicle.

Details:

part #: l5739721 prices

• $446.00-$560.14

specifications inputmanifolds:

• for models: 2500, Turbo, Sierra, Classic
• for makes: Gmc
• for years: 2007
• brand: Afe Power
• part type: Manifold
• manufacturer part number: L5739721
• fitment type: Performance/custom
• weight: 7.00
• width: 13.00
• length: 18.00
• engine type: Diesel

payments inputmanifolds:

• credit card: Mastercard
• wallet: Google-pay
• other

offer inputmanifolds:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: February 23, 2026
• quantity: 1

seller inputmanifolds:

• # reviews: 523
• city: Compton, California
• rating: 97.0%

shipping inputmanifolds:

• cost: $0.00
• service: UPS Ground
• carrier: UPS
• transit: 2-5 Days
• type: Fixed
• class: Standard

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New

returns inputmanifolds:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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