SUBARU AC03A Intake Manifold 2.5

( Fitment Type: Direct Replacement ), ( Mounting Hardware Included: No ), ( Manufacturer Warranty: 30 Days ), ( Type: Intake Manifold ), ( Manufacturer Part Number: AC03A ), ( Engine Size: 2.5 ), ( Valvetrain Iteration: Sohc ), ( Transmission Type: Automatic ), ( Location Id: Gty401 ), ( Vehicle Id: 13756 )

Review SUBARU Intake Manifold 2.5 fits LEGACY 2008–2009

Introducing the Subaru AC03A Intake Manifold, an essential component of the air intake system for select Subaru models from 2008 to 2009 with a 2.5-liter engine. This intake manifold, manufactured by Subaru, is designed to provide optimal engine performance and fuel efficiency.

The AC03A Intake Manifold is meticulously engineered with a compact design, ensuring a snug fit within the engine compartment. Its smooth, cast-aluminum construction not only enhances the aesthetic appeal of the engine bay but also contributes to improved thermal conductivity and durability.

Key features of this intake manifold include the use of a closed-deck design, which helps to maintain engine compression and minimize heat loss. Additionally, the manifold incorporates a balancing design, which ensures an even distribution of air to each cylinder for enhanced power output and smoother engine operation.

The intake ports on the AC03A Intake Manifold feature a precise design, ensuring an optimal airflow path to the engine. This results in improved combustion efficiency and reduced emissions, contributing to better overall engine performance and fuel economy.

This intake manifold is specifically designed to work seamlessly with the factory fuel injection system and other engine components. It is also compatible with factory and aftermarket air filtration systems, providing flexibility for customization and performance enhancements.

When it comes to installation, the AC03A Intake Manifold is straightforward to install, making it an excellent choice for both professional mechanics and DIY enthusiasts. It comes with all necessary hardware, making the process as hassle-free as possible.

In summary, the Subaru AC03A Intake Manifold for 2008-2009 2.5-liter engines is a high-quality, factory-engineered component that delivers improved engine performance, fuel efficiency, and durability. Its compact design, precise engineering, and compatibility with factory and aftermarket systems make it an excellent choice for Subaru enthusiasts looking to enhance their engine's capabilities.

Buying a Subaru AC03A intake manifold for a 2008-2009 Subaru Impreza or WRX with a 2.5L engine can be a consideration for those looking to improve engine performance. Here are some potential pros and cons to help make an informed decision.

1. Increased Power: The Subaru AC03A intake manifold is designed to provide better airflow and fuel delivery to the engine, which can result in increased horsepower and torque.

2. Better Throttle Response: The intake manifold's design can lead to improved throttle response, making the engine feel more responsive and lively.

3. Improved Engine Efficiency: The intake manifold's design can lead to improved engine efficiency, allowing for better fuel economy and reduced emissions.

4. Enhanced Sound: The intake manifold can also provide a more pleasing engine sound, which some enthusiasts may appreciate.

1. Cost: The Subaru AC03A intake manifold can be an expensive upgrade, with prices ranging from several hundred to over a thousand dollars, depending on the retailer and any additional components required for installation.

2. Complex Installation: Installing the intake manifold can be a complex process, requiring specialized tools and knowledge. It may be necessary to hire a professional or purchase an installation kit to ensure proper installation.

3. Potential Compatibility Issues: The Subaru AC03A intake manifold may not be compatible with all 2008-2009 Subaru Impreza and WRX models, so it's essential to verify compatibility before making a purchase.

4. Potential Risks: Installing the intake manifold can pose risks, such as engine damage if not installed correctly or improperly tuned. It's crucial to follow proper installation instructions and possibly consult a professional for installation.

The Subaru AC03A intake manifold can provide several benefits, including increased power, better throttle response, improved engine efficiency, and an enhanced engine sound. However, it also comes with potential drawbacks, such as a high cost, complex installation, potential compatibility issues, and potential risks.

If you're considering purchasing a Subaru AC03A intake manifold, it's essential to weigh the pros and cons carefully and ensure compatibility with your specific vehicle model. It's also crucial to consider the cost and potential risks and to possibly consult a professional for installation to minimize any potential issues. If you're looking for a significant power gain and are willing to invest the time and money, the intake manifold could be a worthwhile upgrade. Otherwise, it may be better to consider other, more cost-effective performance modifications.

Details:

Subaru Legacy 2008 - 2009 2.5L. Please replace such items as required for proper installation. Subaru Outback 2008 - 2009 2.5L.

part #: ac03a prices

• $100.00-$132.99

specifications inputmanifolds:

• for models: Legacy
• for makes: Subaru
• for years: 2008-2009
• fitment type: Direct Replacement
• mounting hardware included: No
• manufacturer warranty: 30 Days
• type: Intake Manifold
• manufacturer part number: AC03A
• engine size: 2.5
• valvetrain iteration: Sohc
• transmission type: Automatic
• location id: Gty401
• vehicle id: 13756

payments inputmanifolds:

• other
• wallet: Apple-pay
• credit card: Visa

general inputmanifolds:

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

shipping inputmanifolds:

• service: Standard
• transit: 4-7 Days
• cost: $0.00
• class: Standard
• type: Fixed

seller inputmanifolds:

• # reviews: 59881
• rating: 99.2%
• city: Denver, Colorado

offer inputmanifolds:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: July 6, 2025
• sold: 0

returns inputmanifolds:

• time: 60 Days
• policy: Returns Accepted
• paid by: Buyer

Subaru AC03A Is Similar To:

• Subaru 11084aa230 Intake Air Deflectors From 2019 Forester 2.5 Fb25 (50% similar) Please replace such items as required for proper installation. Cross trek 21 2.5L...(June 6th, 2024)
• Subaru 14111aa000 Lower Intake Manifold From 2014 Xv Crosstrek 2.0 Fb20 (56.7% similar) Xv cross trek 13 lower with motor. Please replace such items as required for proper installation. Impress 12-14 2.0L, lower with motor. Impress 15-16 2.0L, lower with motor. Fitment type: forester 14-16 2.5L, lower with motor...(June 14th, 2024)
• Subaru 329-60010 16 2016 Wrx 2.0l Upper Intake Manifold Assembly (47.8% similar) No expedited shipping is available...(June 15th, 2024)
• Subaru 329-59849 Upper Intake Manifold From 2005 Legacy 2.5 (75.9% similar) Outback 05 2.5L, w/turbo. Please replace such items as required for proper installation. Fitment type: legacy 05 2.5L, w/turbo...(June 18th, 2024)
• Subaru 329-60011r Middle Intake Manifold From 2015 Wrx 2.0 (61.7% similar) Forester 17 2.0L turbo , middle with motor fitment type: forester 14-16 2.0L turbo, middle with motor, please replace such items as required for proper installation. Rx 15-17 2.0L, middle with motor...(June 19th, 2024)
• Subaru 14001ac140 Intake Manifold From 2011 Legacy 2.5 (79.6% similar) Please replace such items as required for proper installation. Fitment type: legacy 10-12 2.5L, w/o turbo. Outback 10-12 2.5L, w/o turbo...(June 19th, 2024)
• Subaru 329-59952r Passenger Intake Manifold Lower With Motor Fits 13-17 Xv Crosstrek (46.6% similar) Impress 15-16 2.0L, lower with motor, impress 12-14 2.0L, lower with motor...(June 19th, 2024)
• Subaru 329-50318 Intake Manifold 2.5l Without Turbo Fits 08-11 Impreza (58.8% similar) Part #: subaru 1350194 for sale...(June 21st, 2024)
• Subaru 14011ab940 Lower Intake Manifold From 2007 Outback 2.5 Turbo (65.5% similar) Impress 12-14 2.5L turbo, Rx. Please replace such items as required for proper installation. Fitment type: forester 09-13 w/turbo. Impress 08-11 2.5L, w/turbo , Rx. Impress 09-10 2.5L, w/turbo , gt...(June 22nd, 2024)
• Subaru 14001ac33a Intake Manifold From 2015 Outback 2.5 Awd (70.4% similar) Outback 15-19 2.5L. Fitment type: legacy 15-19 2.5L. Please replace such items as required for proper installation...(June 22nd, 2024)
• Subaru 14111aa010 Lower Intake Manifold From 2015 Outback 2.5 Awd (63.2% similar) Please replace such items as required for proper installation...(June 23rd, 2024)