SUBARU AB411 Intake Manifold 2.0

( Type: Intake Manifold ), ( Engine Size: 2.0 ), ( Manufacturer Part Number: AB411 ), ( Material: Aluminum ), ( Placement On Vehicle: Upper ), ( Fuel Type: Gasoline )

Review SUBARU 2.0 Intake Manifold fits IMPREZA 2002–2003

Subaru AB411 2.0 Flat-Top Intake Manifold for 2002-2003 Impreza WRX & STI

The Subaru AB411 2.0 Flat-Top Intake Manifold is a crucial component of the engine air induction system for the 2002-2003 Impreza WRX and STI models. This factory original intake manifold is designed with a flat-top configuration, which allows for the installation of aftermarket high-performance cylinder heads and short-runner intake ports for enhanced engine power and efficiency.

1. Precision-engineered: The AB411 intake manifold is meticulously cast and machined to ensure perfect fitment and compatibility with the Subaru EJ20G and EJ25 engines. It features a flat-top design for optimal clearance when upgrading to high-performance components.

2. Durable construction: The intake manifold is manufactured from high-strength aluminum alloy, providing excellent heat dissipation and resistance to thermal stress. This ensures reliable performance under both street and racing conditions.

3. Ideal for performance upgrades: The flat-top design of the AB411 intake manifold makes it the preferred choice for Subaru enthusiasts seeking to upgrade their engines for increased horsepower and torque. It supports the installation of short-runner intake ports and high-performance cylinder heads, enabling better fuel-air mixture and more efficient combustion.

4. Factory original: The Subaru AB411 2.0 Flat-Top Intake Manifold is a genuine OEM part, ensuring optimal engine performance and longevity. It comes with the same factory specifications as the original component installed in your vehicle, guaranteeing a perfect fit and seamless integration with other engine components.

5. Easy installation: This intake manifold is designed to be a direct replacement for the stock component, making the installation process straightforward and hassle-free. It comes with all necessary hardware and gaskets, allowing you to complete the installation in your garage or with the help of a professional mechanic.

By upgrading your Subaru Impreza WRX or STI with the Subaru AB411 2.0 Flat-Top Intake Manifold, you can unlock the full potential of your engine, enabling it to produce more power and torque for improved acceleration and overall performance. This intake manifold is an essential upgrade for any Subaru enthusiast looking to take their vehicle to the next level.

Pros and Cons of Buying a Subaru Impreza 2.0 (2002-2003) Aftermarket Intake Manifold

When it comes to upgrading the performance of your Subaru Impreza 2.0 (2002-2003), an aftermarket intake manifold can be an effective modification. This component is responsible for directing the flow of air into the engine. In this article, we will discuss the advantages and disadvantages of purchasing and installing an aftermarket intake manifold for your Subaru Impreza 2.0.

1. Improved Airflow: Aftermarket intake manifolds are designed to provide better airflow to the engine. This results in increased horsepower and torque, leading to improved engine performance.

2. Enhanced Throttle Response: With better airflow comes quicker throttle response. This means that your engine will respond more promptly to your accelerator inputs, allowing for smoother and more responsive driving.

3. Increased Fuel Economy: Some aftermarket intake manifolds are designed to improve fuel economy by reducing air flow restriction. This results in a more efficient combustion process, allowing the engine to consume less fuel and save you money on gas.

4. Improved Engine Sound: Aftermarket intake manifolds often provide a more aggressive engine sound, which can be appealing to some car enthusiasts.

5. Customizability: Aftermarket intake manifolds come in various designs and materials, allowing you to choose one that best suits your performance goals and budget.

1. Installation Complexity: Installing an aftermarket intake manifold can be a challenging process, especially for those without prior experience in engine modifications. It may require professional installation, which can add to the overall cost.

2. Cost: Aftermarket intake manifolds can be expensive, with prices ranging from a few hundred to several thousand dollars, depending on the brand and design.

3. Potential for Engine Damage: Improper installation of an aftermarket intake manifold can result in engine damage, such as engine misfires, stalling, or even total engine failure. It is crucial to follow the installation instructions carefully and ensure that all necessary modifications have been made before installing the manifold.

4. Potential for Check Engine Light: Installing an aftermarket intake manifold may trigger the check engine light, as the vehicle's computer may not recognize the new component. This can be resolved by reprogramming the engine computer or using a performance chip.

5. Potential for Increased Noise: Some aftermarket intake manifolds may produce more noise than the stock manifold, which may not be desirable for some drivers.

In conclusion, an aftermarket intake manifold can be a worthwhile investment for Subaru Impreza 2.0 (2002-2003) owners who are looking to improve engine performance, throttle response, and fuel economy. However, it is essential to consider the potential challenges, such as the installation complexity, cost, and potential for engine damage or check engine light. To maximize the benefits and minimize the risks, it is recommended to choose a reputable manufacturer, follow proper installation procedures, and consult with a professional if necessary.

If you decide to purchase and install an aftermarket intake manifold for your Subaru Impreza 2.0, be sure to research the available options carefully. Look for a reputable manufacturer with a proven track record of producing high-quality components. Consider the design, material, and performance benefits of each option, and factor in the installation complexity and cost. Ultimately, the decision to purchase an aftermarket intake manifold depends on your personal goals, budget, and technical abilities.

Details:

2.0 Subaru 2002 2003 Impreza Intake Manifold AB411, in excellent condition.

part #: ab411 prices

• $74.00-$149.95

specifications inputmanifolds:

• for models: Impreza
• for makes: Subaru
• for years: 2002-2003
• type: Intake Manifold
• engine size: 2.0
• manufacturer part number: AB411
• material: Aluminum
• placement on vehicle: Upper
• fuel type: Gasoline

offer inputmanifolds:

• started: November 29, 2025
• options: Ship-to-home
• sold: 0
• quantity: 1
• best offers: True
• availability: In Stock

returns inputmanifolds:

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

shipping inputmanifolds:

• type: Fixed
• transit: 4-10 Days
• service: UPS Ground
• carrier: UPS
• class: Standard
• cost: $0.00

payments inputmanifolds:

• wallet: Paypal
• other
• credit card: Discover

general inputmanifolds:

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

seller inputmanifolds:

• city: Allegany, New York
• rating: 99.6%
• # reviews: 5181

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