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  3. AEM 21-678C

AEM 21-678C Performance Air Intake Evolution 840879018917 2.0L

fits model: Lancer. year: 2008–2016.

21-678c Aem Performance Cold Air Intake System For 2008-16 Lancer Evolution 2.0l

( Brand: Aem ), ( Manufacturer Part Number: 21-678C ), ( Part Type: Intake ), ( Material: Aluminum ), ( Performance Part: Yes ), ( Universal Fitment: No ), ( Manufacturer Warranty: Lifetime ), ( Country/region Of Manufacture: United States ), ( UPC: 840879018917 )

Review AEM Performance Cold Air Intake System For Evolution 2.0l fits LANCER 2008–2016

The AEM 21-678C Performance Air Intake System is a perfect upgrade for the 2008-2016 Mitsubishi Lancer Evolution 2.0L engines, designed to deliver improved airflow and increased horsepower. This intake system is meticulously engineered to provide your vehicle with a high-performance edge, ensuring optimal power gains and enhanced engine response.

The 21-678C intake system comes with a high-flow, dry-filtered air box design. This feature reduces the intake temperature and ensures that the air filter remains dry, thereby improving the air quality that enters the engine. The air box is constructed using a robust, heat-resistant material, ensuring that it can withstand the rigors of high-performance driving.

The intake system utilizes a large, conical air filter that boasts a massive surface area for maximum airflow. The filter is designed using an oiled, synthetic media that can trap more dirt and contaminants, ensuring that the engine is always breathing clean air. The filter is also easily accessible, making it simple to clean or replace as needed.

The intake tube is crafted from polished aluminum, ensuring a smooth and efficient airflow path to the engine. This tube features a large, 3.0-inch diameter, allowing for a significant increase in airflow compared to the stock intake. The tube is meticulously designed to minimize turbulence and ensure a straight, uninterrupted airflow path to the engine.

The AEM 21-678C Performance Air Intake System also comes with a unique, high-performance, blow-molded intake duct. This duct is designed to provide a smooth and efficient airflow path from the filter to the engine, ensuring that the engine always receives the maximum amount of clean, cool air possible.

The installation process for this intake system is straightforward, with all necessary hardware included in the kit. The system is designed to be a direct replacement for the stock intake, making it a simple and hassle-free upgrade for any Lancer Evolution 2.0L owner.

In summary, the AEM 21-678C Performance Air Intake System is a high-quality, high-performance upgrade for your 2008-2016 Mitsubishi Lancer Evolution 2.0L. This intake system delivers improved airflow, increased horsepower, and enhanced engine response, making it an essential modification for any enthusiast looking to extract the maximum potential from their vehicle.

The AEM 21-678C Performance Air Intake system is a popular aftermarket upgrade for the 2008-2016 Mitsubishi Lancer Evolution 2.0L engines. This air intake system is designed to provide improved airflow and better engine performance. Here are some pros and cons of installing this air intake system:

Pros:

1. Increased Horsepower: The AEM air intake system can provide a noticeable increase in horsepower and torque, resulting in improved engine performance.

2. Better Airflow: The high-flow air filter and larger intake tube can allow more air to flow into the engine, which can lead to improved combustion and better fuel economy.

3. Enhanced Engine Sound: The AEM air intake system can provide a more aggressive engine sound, which is a desirable feature for many performance enthusiasts.

4. Easy Installation: The AEM air intake system is relatively easy to install, and the company provides detailed instructions and videos to help guide the installation process.

5. Improved Filtration: The AEM air filter has a larger surface area and finer filtration material, which can help improve the overall air filtration for the engine.

Cons:

1. Cost: The AEM air intake system is more expensive than the stock air intake system, which may be a deterrent for some buyers.

2. Maintenance: The AEM air filter requires more frequent cleaning than the stock air filter, which can add to the overall maintenance costs.

3. Loudness: The AEM air intake system can be quite loud, which may not be desirable for all driving situations or for those who prefer a quieter driving experience.

4. Fitment Issues: Some users have reported fitment issues with the AEM air intake system, particularly with the placement of the mass air flow sensor.

Ending Conclusion:

The AEM 21-678C Performance Air Intake system can provide significant improvements in engine performance, airflow, and filtration for the 2008-2016 Mitsubishi Lancer Evolution 2.0L engines. However, it comes with a higher cost, more frequent filter maintenance, and potential fitment issues that may deter some buyers. Ultimately, the decision to install this air intake system depends on individual preferences, driving style, and budget.

Recommendation:

For those who prioritize engine performance, aggressive engine sound, and improved airflow, the AEM 21-678C Performance Air Intake system is a worthwhile investment. However, for those who prefer a quieter driving experience, have a tight budget, or are concerned about fitment issues, alternative air intake systems or modifications may be more suitable. As always, it's important to carefully research and consider all options before making a purchase.

Details:

AEM Lifetime Limited Warranty. AEM 21-678C Performance Cold Air Intake System for 2008 16 Lancer Evolution 2.0L: The produces horsepower and torque gains by replacing your vehicles restrictive factory air filter intake housing. The intake tubing is constructed from aluminum featuring a durable gunmetal gray powder coated finish.

Air enters the system through an oversized AEM Dry flow synthetic washable air filter for outstanding flow, filtration and performance. The wide cone shaped AEM Dry flow air filter is made from an oil-free, synthetic media that can be used for up to 100,000 miles before cleaning needed depending on driving conditions. Washable and reusable oil-free filter media. This air intake system was developed to accommodate the engines factory emissions control devices including mass flow sensor, bypass valve and engine vacuum lines as well a replacement rubber inlet hose.

View the 21-678C vehicle applications to determine legal status for each. Cross References: No cross references found for this part. Increased horsepower. May vary between actual products.

The air intake system is backed by Ames Lifetime Limited Warranty. Tuned and Dino-tested to improve acceleration engine sound. This air intake system was designed, tuned and Dino-tested to fit specific Mitsubishi Lancer Evolution, MR GSR model's.

part #: 21678c prices

  • $375.29-$406.79

specifications airfueldepo:

  • for models: Lancer
  • for years: 2008-2016
  • brand: Aem
  • mpn: 21-678c
  • part type: Intake
  • material: Aluminum
  • performance part: Yes
  • universal fitment: No
  • manufacturer warranty: Lifetime
  • country/region of manufacture: United States
  • upc: 840879018917

shipping airfueldepo:

  • carrier: UPS
  • cost: $0.00
  • type: Fixed
  • transit: 3-3 Days
  • service: UPS Ground
  • class: Standard

general airfueldepo:

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

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  • options: Ship-to-home
  • sold: 0
  • quantity: 5
  • started: April 4, 2025
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for models: lancer, for years: 2008-2016, part type: intake, performance part: yes, universal fitment: no, manufacturer warranty: lifetime, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > air fuel delivery, material: aluminum, sku: 6809999282330721,

Aem 21-678C Is Similar To:

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5 offers $375.29–$406.79 USD
  • Offer #1: $375.29 price + $0.00 shipping estimate = $375.29* total. This air intake system was designed tuned and dyno-tested to fit specific Mitsubishi Lancer Evolution MR and GSR models. The AEM Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing.FREE SHIPPING
  • Offer #2: $384.99 price + $0.00 shipping estimate = $384.99* total. The AEM Performance Cold Air Intake System enhances your Mitsubishi Lancer's engine performance by replacing the factory air filter and intake housing with a high-flow system.FREE SHIPPING
  • Offer #3: $406.79 price + $0.00 shipping estimate = $406.79* total. (76mm) Clamp Color: Natural Clamp Material: Steel Clamp Quantity: 5 Clamp Style: Regular Coupler Color: Not Applicable Couplers Included: No Estimated Horse Power Gain: 17. Air Intake KitCold Air Induction SystemCold Air Induction System; Incl.FREE SHIPPING
  • Offer #4: $375.01 price + $0.00 shipping estimate = $375.01* total.FREE SHIPPING
  • Offer #5: $378.43 price + $0.00 shipping estimate = $378.43* total.FREE SHIPPING

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