Best Air Intake for Harley-Davidson

Have you ever considered the true significance of an air intake system for your beloved motorcycle? This critical component plays a pivotal role in enabling efficient blending of oxygen and fuel within your engine. In the world of internal combustion engines, a higher influx of air translates to a remarkable increase in power output. By harnessing the prowess of an optimized air filter and airbox, your motorcycle’s combustion chamber receives a constant supply of pristine air, resulting in substantial power generation and effortless vehicle movement. Explore the indispensable role of an optimized air intake system in maximizing your motorcycle’s performance and elevating your riding experience.

Our Top 3 Cold Air Intake for Harley-Davidson

K&N Cold Air Intake Kit: High Performance, Fits 2001-2017 HARLEY DAVIDSON
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Vance & Hines 71005 Naked VO2 Air Intake For Harley-Davidson Twin Cam

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Air Cleaner Intake Filter System Kit Contrast Cut for Twin Cam EVO Dyna
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Curious about the advantages of having a cold air intake system in your vehicle? Let’s delve into the perks it brings.

Increased Horsepower with Cold Air Intake When it comes to air intake, horsepower gets a significant boost. Cold air is denser, meaning a cold intake system draws in a higher volume of air per unit, resulting in impressive power gains.

Enhanced Filter Performance Unlike paper filters, cold air intake systems feature durable, thick filters that outperform their counterparts. These filters can be easily cleaned, ensuring long-term sustainability and improved air filtration.

Amped-Up Engine Sounds For enthusiasts who relish the exhilarating sounds of revving engines, a cold air intake system delivers an added bonus. It enhances the engine’s sound, giving it a smoother, full-bodied character, further heightening the auditory experience.

Accelerate with Confidence The cumulative effect of these benefits translates into enhanced acceleration. With a cold air intake system installed, you can expect a noticeable improvement in your Harley-Davidson’s acceleration capabilities.

Experience the advantages of a cold air intake system in your vehicle and enjoy the combination of increased horsepower, superior filter performance, amplified engine sounds, and enhanced acceleration. Upgrade your Harley-Davidson today for an optimized driving experience.

1. K&N Cold Air Intake Kit – Best Overall

Revolutionize Your Filter Cleaning with K&N: A Game-Changing Solution for Your Engine

Are you tired of the hassle of frequent filter cleaning? Say goodbye to those worries with the innovative K&N product, designed to keep your engine protected from contaminants for an impressive 10,000 miles! But that’s not all – prepare for a power boost as well. This dyno-tested product guarantees increased horsepower and torque, providing a significant upgrade for your vehicle. With over 50% more airflow than standard factory box air filters, thanks to its cast aluminum intake tube, the benefits are undeniable.

Experience Better Towing and Unmatched Performance

The advantages of the K&N product extend beyond filter longevity and power gains. Improved uphill performance and enhanced acceleration are just the beginning. This kit is engineered for the long haul, with an impressive lifespan of approximately 10 years, given regular maintenance stops.

Is K&N Right for You?

While K&N is a stellar choice for many motorcycles, it’s important to note that it may not be compatible with all models. Make sure to verify compatibility before making a purchase.

Highly Recommended: Unveiling the Truth

Considering the outstanding features and benefits it offers, the K&N product is an exceptional investment. Don’t just take our word for it – the abundance of positive reviews speaks for itself. This purchase is truly worth every penny.

Frequently Asked Questions

1. Will it fit a 2014 Iron 883?

Regrettably, the K&N Cold Air Intake kit, 57-1137, is not compatible with the 2014 Harley-Davidson XL883N IRON 54 CI.

2. Does this come with a rain sock?

Unfortunately, the High-Performance K&N Cold Air Intake Kit 57-1137 does not include a rain sock or pre-filter.

3. Will this kit fit a 2020 Harley-Davidson Street Bob?

No, the K&N Cold Air Intake Kit 57-1137 is not suitable for a 2020 Harley-Davidson Street Bob. Instead, the recommended kit is the K&N Cold Air Intake Kit 57-1139.

4. How will a K&N Filter affect my vehicle’s fuel economy?

It’s important to understand the relationship between air restriction and mileage. The effort required by an engine to draw air through the intake tubes and filter directly impacts fuel consumption. However, installing a K&N air filter does not guarantee a change in mileage. Numerous factors, such as tire inflation, fuel type, weather conditions, elevation, driving speed, gear selection, and more, influence fuel economy. Additionally, variables like acceleration speed, engine maintenance, excessive idling, cruise control usage, motor oil grade, and the condition of your air filter play a role.

5. What horsepower increase can I expect from a K&N Air Intake System?

Rest assured that all K&N intake systems undergo dyno-testing to deliver enhanced horsepower. Instead of making general claims, K&N provides estimated horsepower figures for various part numbers and vehicles, ensuring transparency and accuracy.

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2. Vance & Hines 71005 Naked VO2 – Best Stage 1 Air Cleaner for Harley Davidson

If you prioritize maintaining the stock appearance of your motorcycle while seeking improved performance, Vance and Hines present the ideal solution with their VO2 air intake system. This high-flow replacement kit is designed to increase airflow to your motor, resulting in enhanced power and efficiency. Let’s explore its features:

  1. Enhanced Airflow and Power: The VO2 air intake system features a larger inlet backing plate and billet venturi, allowing for increased air intake into your motor. This improved airflow contributes to a boost in power and performance.
  2. Long-Lasting Washable Filter Element: Vance and Hines offer a high-flow washable filter element as part of the VO2 air intake kit. This filter element is designed to last for several thousand miles before requiring maintenance, ensuring long-lasting performance.
  3. Exceptional Customer Support: While the product may have some fitting challenges, Vance & Hines provide excellent customer support to address any concerns you may have. If you encounter doubts or issues with the fitment, reaching out to their support team is recommended. Note that the studs or screws may not align properly with the venturi plate. Please be aware that this product is not compatible with certain models, including 1999-2001 fuel-injected Touring Models, 2011-2012 CVO Convertible, 2013-2014 CVO Breakout, and 2014-2015 CVO Deluxe.


For riders who value subtle styling and high-quality craftsmanship, the Vance and Hines VO2 air intake system is an excellent choice. It offers the perfect balance between aesthetics and high-performance air intake. We highly recommend it!


  1. Will this fit a 2016 Road Glide Ultra? No, the Vance & Hines VO2 air intake system is not compatible with the 2016 Harley-Davidson Road Glide Ultra as it requires a different backing plate.
  2. Where can I find instruction manuals for Vance & Hines 71005 Naked VO2 Air Intake? You can easily download the instruction manuals for the Vance & Hines 71005 Naked VO2 Air Intake system from the product page on their official website. Simply visit the product page and access the manuals for detailed installation instructions.
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3. Lingdu Air Cleaner Intake Kit – Best Budget

Discover the Lingdu Air Cleaner Intake Kit, a top-notch product designed for optimal performance. Crafted from durable aluminum, this fit type is tailored to specific vehicles. However, it’s essential to note some key considerations. The air cleaner is compatible with Delphi Fuel Injection or CV Magnetti-Marelli fuel injection equipped models using cable throttle.

With a reassuring 60-day warranty from the date of purchase, Lingdu stands behind its product. Compatible models for this air intake kit include:

  • Harley Dyna/FXR EVO & Twin Cam (1993-2017)
  • Softail EVO & Twin Cam (1993-2015)
  • Touring Road King Electra Glide EVO & Twin Cam (1993-2007)

The backing plate included in this kit aids in optimizing internal intake components. Crafted using CNC machining from billet aluminum, known for its exceptional machinability, this product exemplifies excellence in manufacturing. Furthermore, all necessary mounting hardware is provided, and you can even find matching Clarity Derby Cover and Timing/Cam Cover options.

However, it’s important to mention a couple of downsides. Unfortunately, replacement parts are not available separately on Amazon at the moment. Additionally, when purchasing this product, be aware that the space between the backplate and the throttle body exceeds the provided gasket’s dimensions. This could potentially result in additional costs for the throttle body. While an instruction manual is not included, installing the air cleaner is straightforward and can be easily addressed with a quick internet search.


Opting for this air cleaner means acquiring high-grade aluminum construction at an attractive price point. Positive reviews on Amazon attest to its exceptional performance and aesthetics. However, it’s worth noting that some fitment issues may arise, so exercise caution.


Q: Will this fit a 2013 Harley-Davidson Street Bob?

A: Absolutely! This air cleaner is compatible with a 2013 Harley-Davidson Street Bob. Keep in mind that it fits cable throttle models with Delphi Fuel Injection or CV Carburettor only. It is not suitable for Magneti-Marelli fuel injection equipped models.

Q: Can I purchase a rain sock and spare filter for this kit?

A: Regrettably, rain socks are not available. This kit is designed specifically for throttle by Wire Models. However, if you’re in need of a spare filter, you can find it on Amazon by searching ASIN: B07Z5ZVWN9.

Q: Will this fit a 1999 Road King?

A: Yes! This air cleaner is a perfect fit for the 1999 Harley-Davidson Road King Classic.

Q: Why is the delivery taking longer than expected?

A: Please note that the product is currently being shipped from China. If time is of the essence, consider purchasing an American-made product for quicker delivery.

Q: Should I oil the filter element after cleaning?

A: The filter element cannot be cleaned; it requires replacement. To find the suitable replacement, simply follow the link provided alongside the product description.

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4. Black Ops – Designed Air Intake For Harley Touring

When it comes to exceptional billet aluminium products, Happy-Motor never disappoints, and their air intake is a true testament to their craftsmanship. Boasting durability, sleek aesthetics, and precise machining, this air intake option is a definite winner, especially considering its affordable price.

The standout feature of this air intake is its exposed filter design, not only enhancing airflow but also adding a striking visual appeal, particularly when paired with blacked-out hardware. With a high-volume filter and inclusive mounting hardware, this kit ensures optimal performance. Additionally, the specially designed backing plate facilitates smooth airflow into the carburetor and comes equipped with built-in crankcase breathers.

Included in the package is a single PC air filter with a comprehensive range of accessories, making it compatible with various HD models. Get ready to elevate your motorcycle’s performance with Happy-Motor’s billet aluminium air intake.


  • 2016-2017 FXDLS Dyna Low Rider S
  • 2016-2017 FXSB Breakout
  • 2016-2017 FXSE CVO Pro Street Breakout
  • 2014-2016 FLHTCU Electra Glide Ultra Classic
  • 2008-2013 FLHTCU Ultra Classic Electra Glide
  • 2015-2016 FLHTCUL Electra Glide Ultra Classic Low
  • 2014-2016 FLHTCUTG Tri Glide Ultra
  • 2009-2013 FLHTCUTG Tri Glide Ultra Classic
  • 2010-2013 FLHTK Electra Glide Ultra Limited
  • 2014-2016 FLHTK Ultra Limited
  • 2014-2016 FLHTKSE CVO Limited
  • 2008-2016 FLHX Street Glide
  • 2014-2016 FLHXS Street Glide Special
  • 2010-2016 FLHXSE CVO Street Glide
  • 2010-2011 FLHXXX Street Glide Trike
  • 2015-2016 FLRT Freewheeler
  • 2016-2017 FLS Softail Slim

While the product boasts several advantages, it is important to consider a few potential drawbacks. Firstly, prolonged exposure to the sun may cause the color of the product to fade or bleach over time. To mitigate this, it is recommended to take precautions such as applying UV protection or storing the product in shaded areas when not in use.

Secondly, during installation, it is advisable to have some additional bolts on hand. This ensures a seamless and hassle-free installation process, without the need for last-minute trips to the hardware store.

Apart from these minor considerations, the product is ready for immediate use, delivering its intended benefits effectively. By being mindful of these points, you can optimize the longevity and performance of your chosen product.


Happy-Motors has earned a reputation for outstanding craftsmanship and delighted customers. Their commitment to excellence is evident, making them a solid recommendation.

Frequently Asked Questions

  1. Compatibility with 2013 Road Glide Custom: While there may be some uncertainty regarding its fit for the 2013 Harley-Davidson FLTRX Road Glide, rest assured it is compatible with the 2012 Harley-Davidson Touring FLHX Street Glide.
  2. Oil Requirements: This filter does not require oiling; it can be used dry without any issues.
  3. Air Suction Noise: The air suction noise produced by this filter strikes a balance. It is not excessively loud, yet it is audible enough to be noticed without causing discomfort.
  4. Compatibility with 2017 Road Glide: Unfortunately, this particular air filter is designed for the 2016 Road Glide and earlier models, and is not suitable for the 2017 Road Glide.

With Happy-Motors, you can expect exceptional craftsmanship and a dedicated focus on customer satisfaction. Should you have any further inquiries, please don’t hesitate to contact their knowledgeable team.

5. Y&J – Best Air intake for Harley Sportster

Enhance the performance of your Harley Sportster with the Y&J 4-Inch Diameter Filter Kit. Engineered by Y&J, this kit is specifically designed to optimize air intake for Harley Sportsters. With its user-friendly installation process and high-quality components, it’s a must-have for any Harley Sportster enthusiast.

Key Features:

  • Billet Aluminium Backing Plate: The kit includes a billet aluminium backing plate featuring internal breathing passages, making installation a breeze.
  • Reusable Performance Filter: The 4-inch diameter filter can be easily washed, dried, and re-oiled, ensuring long-lasting performance.
  • Fuel Efficiency Enhancement: This kit not only improves air intake but also takes on the role of an ECU, effectively optimizing fuel efficiency.

Compatibility and Kit Contents: This versatile air intake kit is compatible with both carburetor and fuel-injected models. It comes complete with a clear plastic plate and is sleekly black and anodized.


  • Compatible with 1991-2016 XL Sportster models, including both carburetor and fuel-injected variants.
  • Kit includes: Featured Performance Filter, CNC Machined Backing Plate, Plastic Face Plate, CNC Machined Breather System, and Stainless Hardware.

Customer Considerations: While this product offers outstanding performance, it’s important to note that it fits only a single model. Some customers have reported fitment issues resulting in air leakage if not installed correctly. Additionally, in certain cases, the mounting plate may come into contact with the carb, causing potential complications.

Recommendation: If your model is a perfect fit for this kit, it presents an excellent investment. The benefits it offers will undoubtedly elevate your riding experience, and its sleek design adds a touch of elegance to your bike.

Frequently Asked Questions:

Q: Will I need an ECU for this filter?

A: Yes, we strongly recommend using an ECU with this air filter to avoid any potential engine complications.

Q: Is a rain sock necessary for this kit?

A: No, this product is waterproof, eliminating the need for a rain sock.

Q: Does the filter element require oiling?

A: No, the element does not require oiling. Simply install the product and start using it.

Q: Will it fit a 2006 Harley-Davidson FLTRI Road Glide?

A: Yes, this product is designed to universally fit Harley-Davidson motorcycles, including the 2006 FLTRI Road Glide model.


By now, you should have a clear understanding of the benefits associated with air intake systems. These systems are indispensable additions to your motorcycle, contributing to its overall well-being. Opting for a high-quality product ensures sustainability and durability, making it a worthwhile investment for your Harley-Davidson. In return, you can expect a long-term advantage in terms of superior performance, smooth acceleration, and improved fuel efficiency.

Ultimately, our goal is to make a purchase that offers excellent value for our money. We hope that this article has provided valuable insights to aid your decision-making process. May you find the perfect air intake system that seamlessly complements your HD, delivering optimal results for your motorcycle.

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