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  2. sku: 11888506856597631
  3. KAC 6RTJ56

KAC 6RTJ56 Intake Kit Heat Air Filter 4IN 4.6L 5.4L

fits model: F-150. make: Ford. year: 1997–2003.

6rtj56 Kac Cold Air Intake Kit 4in Red Filter With Heat For 1997-2003 Ford F-150 4.6l 5.4l

( Brand: Kac ), ( Manufacturer Part Number: 6RTJ56 ), ( Package Included: 1x Air Filter, 2x Air Intake Tube, 2x Silicon Hose, 3x Silicon Connecter, 1x Filter Heat Shieldall Accessories On The Picture Are Included ), ( Filter Color: Red ), ( Pipe Color: Black ), ( Inlet Diameter: 4.00in ), ( Heat Shield: Yes ), ( Type: Cold Air Intake Kit ), ( Placement On Vehicle: Front ), ( Surface Finish: Polished ), ( Universal Fitment: Direct Replacement ), ( Material: Aluminum ), ( Manufacturer Warranty: 5 Years )

Review KAC Cold Air Intake Kit 4in Red Filter Heat For Ford 4.6l 5.4l fits F-150 1997–2003

Introducing the K&N 6RTJ56 Air Intake Kit for select 1997-2003 Ford F-150 models with 4.6L and 5.4L engines. This premium air intake system is designed to enhance the performance and longevity of your vehicle's engine.

The heart of this kit is a replaceable 4-inch OE-style filter with an open-element design. The high-flow cotton gauze filter media provides excellent filtration while allowing maximum airflow, ensuring your engine receives a consistent supply of clean, cool air. The filter is easily accessible and can be serviced in minutes using common household tools.

The K&N air intake system also features a heat shield to protect the filter from engine heat and ensure optimal performance in various driving conditions. This polished aluminum heat shield is designed to fit securely under the vehicle's engine bay, shielding the filter from the engine's intense heat and maintaining a cooler air temperature for improved engine performance.

The 6RTJ56 kit includes a high-flow intake tube, designed with a smooth, mandrel-bent construction for maximum flow and minimal restriction. This tube replaces the restrictive factory intake system, allowing for a more efficient airflow path to the engine. The tube is constructed from high-quality, heat-resistant material, ensuring durability and longevity.

Installation of the K&N 6RTJ56 Air Intake Kit is a straightforward process, requiring no modifications to your vehicle. The kit comes with all necessary hardware for installation, and detailed instructions are included to guide you through the process.

Upgrading to the K&N 6RTJ56 Air Intake Kit offers numerous benefits for your Ford F-150. It delivers increased horsepower and torque, improved engine performance, and a smoother, more responsive throttle response. Additionally, the replaceable filter ensures that your engine receives clean, cool air for improved fuel efficiency and reduced engine wear, ultimately leading to a longer-lasting engine and improved overall driving experience.

The K&N 6RTJ56 Air Intake Kit for 1997-2003 Ford F-150 4.6L and 5.4L engines comes with a 4-inch filter and a heat shield. Here are some potential pros and cons of purchasing this product:

Pros:

1. Improved Air Flow: The K&N air intake kit is designed to increase air flow into the engine, which can lead to better performance and fuel efficiency.

2. Reusable Filter: The high-flow cotton gauze filter is reusable and washable, which can save money in the long run.

3. Better Filtration: The larger filter surface area and finer filtration media can help improve the engine's air quality and protect it from harmful particles.

4. Enhanced Engine Sound: The intake kit can also provide a more aggressive engine sound, which some drivers find appealing.

5. Easy Installation: The installation process is relatively simple and can be completed in about an hour, according to K&N.

Cons:

1. Cost: The K&N air intake kit can be more expensive than some other aftermarket options.

2. Varying Results: Some users have reported not noticing a significant difference in performance or fuel efficiency after installing the kit.

3. Check Engine Light: In some cases, installing the kit may trigger the check engine light due to the altered airflow and fuel mixture. However, this is usually a false alarm and can be reset using a scanner.

4. Maintenance: While the filter is reusable, it still needs to be cleaned regularly to maintain optimal performance.

Conclusion:

The K&N 6RTJ56 Air Intake Kit for 1997-2003 Ford F-150 4.6L and 5.4L engines can provide several benefits, including improved air flow, better filtration, and a more aggressive engine sound. However, it may be more expensive than some other options, and some users may not notice a significant difference in performance or fuel efficiency. Additionally, there is a possibility of triggering the check engine light during installation, but this is usually a false alarm. Ultimately, the decision to purchase this product depends on individual preferences and priorities.

Recommendation:

If you are looking to improve your Ford F-150's performance, enhance its sound, and ensure better filtration, the K&N 6RTJ56 Air Intake Kit could be a worthwhile investment. However, it's essential to consider the cost and potential check engine light issue before making a purchase. If you're unsure, it may be helpful to consult with a mechanic or read customer reviews to make an informed decision.

Details:

Secure the air filter using mounting hardware included in package. Easy, Bolt-On Installation: designed as a direct bolt-on replacement, this kit can be easily installed in your garage with just basic tools no cutting or modifications needed. Designed for optimal airflow and performance, enhancing your vehicles engine efficiency. Install the heat shield to prevent soak for optimal performance.

Installation Guide. Made from high-quality aluminum with a polished surface finish to ensure durability and longevity. Attach the silicon connectors and ensure all connections are tight. Cold Air Intake Kit 4in Red Filter w/ Heat For 1997 2003 Ford F-150 4.6L 5.4L Features.

Unleash Peak Performance: Our high-flow intake kit is engineered to maximize your engines airflow, delivering noticeable gains in horsepower and torque. Remove the existing air intake system and components carefully. Start the vehicle and check for any unusual sounds or air leaks, adjusting components as necessary. Important Notes.

Double-check all connections and fittings to ensure there are no loose parts. Filter Color: Red, Fitment Type: Direct Replacement, Manufacturer Part Number: 6RTJ56, Quantity: 1, Mounting Hardware Included: Yes, Material: Aluminum, Package included: 1x Air Filter,2x Intake Tube,2x Silicon Hose,3x Connecter,1x Heat ShieldAll accessories on the picture are included, Pipe Black, Placement Vehicle: Front, Shield: Brand: KAC, Cold Kit, Warranty: 5 Years, Inlet Diameter: 4.00in, Surface Finish: Polished, Universal Fitment: No, Key Benefits. Features a red filter that ensures superior filtration and protection against contaminants. For Ford, Ford F-150 1997 2003 V8 4.6L, 5.4L, Expedition F-250 1997 1999 Package Includes.

Ensure the vehicles engine is cool and ignition off before starting installation. NO others please. Regular maintenance and inspection of the air filter are advised for sustained performance. Includes a heat shield to reduce intake temperatures, improving power output.

Comes with all necessary mounting hardware for a seamless replacement.

part #: 6rtj56 price

  • $59.84

specifications airfueldepo:

  • for models: F-150
  • for makes: Ford
  • for years: 1997-2003
  • brand: Kac
  • mpn: 6rtj56
  • package included: 1x Air Filter, 2x Air Intake Tube, 2x Silicon Hose, 3x Silicon Connecter, 1x Filter Heat Shieldall Accessories On The Picture Are Included
  • filter color: Red
  • pipe color: Black
  • inlet diameter: 4.00in
  • heat shield: Yes
  • type: Cold Air Intake Kit
  • placement on vehicle: Front
  • surface finish: Polished
  • universal fitment: Direct Replacement
  • material: Aluminum
  • manufacturer warranty: 5 Years

general airfueldepo:

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

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  • started: November 28, 2025
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seller airfueldepo:

  • city: New Jersey
  • # reviews: 909
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for models: f-150, for makes: ford, for years: 1997-2003, package included: 1x air filter, 2x air intake tube, 2x silicon hose, 3x silicon connecter, 1x filter heat shieldall accessories on the picture are included, filter color: red, pipe color: black, inlet diameter: 4.00in, heat shield: yes, type: cold air intake kit, placement on vehicle: front, surface finish: polished, universal fitment: direct replacement, manufacturer warranty: 5 years,
category: auto parts > car truck parts accessories > air fuel delivery, material: aluminum, sku: 11888506856597631,

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