When it comes to Harley Davidson, it’s all about that perfect blend of power, style, and performance—and your bike’s breathing apparatus plays a starring role. The best air cleaner for Harley Davidson isn’t just a filter; it’s the unsung hero that fuels your engine’s roar and ensures every twist of the throttle delivers punchy acceleration. For riders who demand more than just the factory default, upgrading to a premium air cleaner means better airflow, improved combustion, and a throttle response that’s as sharp as a tack. Not to mention, it often adds a custom flair that perfectly matches your Harley’s iconic look. Whether you’re a seasoned biker craving every last ounce of power or a weekend warrior wanting to keep your machine in peak shape, a quality air cleaner is a game changer. So, buckle up and let’s dive into what makes these air cleaners for Harley Davidson a must-have for the passionate rider.
Guaranteed to increase horsepowerDesigned to improve throttle response and engine soundCast aluminum high-volume, performance air intake housing in blackWashable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protectionIntegrated internal velocity stack
Key specs
- Housing Material
- Cast aluminum in black finish
- Airflow Optimization
- Features an integrated internal velocity stack inside a high-volume cast aluminum housing to smooth intake flow.
Pros:
- Washable and reusable cotton filter element reduces replacement waste
- Integrated internal velocity stack helps smooth airflow into the intake
- Cast aluminum housing provides durable construction in a black finish
Cons:
- Comes with a short 3-month limited warranty from the manufacturer
- Fits only 2008-2017 Touring and Softail bikes with 96CI or 103CI motors
🚩【High performance replacement for】Harley Davidson 29442-99A 29442-99B 29442-99C 29442-99D & KN HD-0800.please check the pictures and size carefully before you buy🚩【Feature】Designed to boost horsepower and rate of acceleration, high air flow with exceptional filtration,Washable and reusable🚩【Fit
Key specs
- OEM Cross Reference
- Replaces Harley Davidson 29442-99A, 99B, 99C, 99D
- Replaces K&N HD-0800
- Element Dimensions
- 6.25 x 6.25 x 2.35 inches
Pros:
- Reusable and washable media allows easy cleaning and servicing
- Direct aftermarket replacement for OEM 29442-99 and K&N HD-0800 elements
- Compact circular profile measuring 6.25 by 6.25 by 2.35 inches
Cons:
- Serves as a replacement filter only and requires existing mounting assemblies
- Restricted strictly to early Screamin Eagle and select 15th Anniversary models
ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicleENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performanceEASY INSTALLATION: Pre-oiled and ready to install; One o
Key specs
- Filter Preparation
- Pre-oiled and ready to install
- Replacement Design
- Serves as a direct drop-in replacement filter element rather than a complete external intake system.
Pros:
- Pre-oiled cotton media arrives ready for immediate drop-in replacement
- Washable and reusable design eliminates the need for disposable paper filters
- Lightweight replacement element weighs only 0.58 pounds
Cons:
- Replacement filter only and does not include an external intake housing
- Compatible only with select 2017-2019 Touring and Trike models
Type A Fitment : Air cleaner kits Fit for harley Sportster Iron XL 1200 883 48 Roadster 2004-2024 .Type B Fitment : Air cleaner kits Fit for Harley Dyna FXR 2000-2017,Softail 2000-2015,Touring 2000-2007, ( Excludes: 2017 FXDLS, 2014-2015 FLSTNSE, 2011-2012 FLSTSE, 2013-2014 FXSBSE) .Type C Fitment :
Key specs
- Sportster Fitment Span
- 2004-2024 Sportster XL 883 and 1200 models
- Intake Design Structure
- Cone style exposed air cleaner utilizing an integrated backing plate with hidden crankcase breathers.
Pros:
- Backing plate houses internal breathers to eliminate exposed crankcase lines
- Fits an extensive range of Sportster XL 883 and 1200 models from 2004 to 2024
- Includes complete mounting hardware along with a high-volume filter element
- Covered by a 1-year manufacturer quality guarantee
Cons:
- Weighs 4.5 pounds, representing the heaviest intake kit in this selection
- Cone-style exposed filter requires checking for water protection in rain
Fit Type: Vehicle Specific
Key specs
- Engine Compatibility
- Harley Davidson 2017-2019 M8 107ci
- Intake Dimensions
- 4.88 x 12 x 9.5 inches
Pros:
- Vehicle-specific air intake kit engineered for Milwaukee-Eight 107 engines
- Direct fitment for 2017-2019 Street Glide, Road King, Fat Boy, and Freewheeler
- Complete intake system replaces the restrictive stock air cleaner assembly
Cons:
- Manufacturer provides a brief 3-month limited warranty period
- Heavier intake kit weighing just over 4 pounds
- Specifications do not list filter media details, so confirmation is needed
Type A Fitment : Air cleaner kits Fit for harley Sportster Iron XL 1200 883 48 Roadster 2004-2024 .Type B Fitment : Air cleaner kits Fit for Harley Dyna FXR 2000-2017,Softail 2000-2015,Touring 2000-2007, ( Excludes: 2017 FXDLS, 2014-2015 FLSTNSE, 2011-2012 FLSTSE, 2013-2014 FXSBSE) .Type C Fitment :
Key specs
- Breather Configuration
- The backing plate conceals internal crankcase breathers to maintain clean exterior lines without external hoses.
- Finish and Styling
- Drift style contrast cut
Pros:
- Backing plate conceals internal crankcase breathers without exterior hoses
- Exposed air filter perimeter design allows unrestricted airflow intake
- Package includes mounting hardware and a high-volume replacement filter
- Backed by a 1-year manufacturer quality guarantee
Cons:
- Exposed element requires an external rain sock for severe wet weather riding
- Option C fitment excludes specific CVO models such as 2017 FXDLS
ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tubeBETTER TOWING: Improves acceleration and uphill performance when towing by
Key specs
- Warranty Coverage
- 10-Year / 1,000,000-Mile Limited Warranty
- Intake Flow Capacity
- Engineered with an open intake design providing up to 50 percent increased airflow over stock factory air boxes.
Pros:
- Backed by an extensive 10-year or 1,000,000-mile limited warranty
- Rated to provide up to 50 percent more airflow than stock factory airboxes
- Engineered to improve throttle response and deliver a deeper engine intake sound
Cons:
- Assembly weighs 4.2 pounds, making it one of the heavier air cleaner kits
- Requires verifying specific model exclusions across 2008-2017 Harley lines
Fit for Harley Touring Street Glide,road king ,electra glide , road glide 2008-2016Fit for Harley Dyna FXDLS 2017; for Harley Softail 2016-2017; for Harley Touring 2008-2016; for Harley Trike 2008-2016Fit for Harley FLSTSE 2011-2012, FXSBSE 2013-2014
Key specs
- Intake Configuration
- Open turbine style intake assembly
- Vehicle Fitment Range
- Harley Touring and Trike models 2008-2016
- Softail models 2016-2017
- Dyna FXDLS 2017
Pros:
- Open turbine layout allows perimeter airflow into the throttle body
- Direct fitment for 2008-2016 Harley Touring and Trike electronic throttle models
- Complete aftermarket assembly replaces the standard enclosed airbox
Cons:
- Listing does not specify warranty coverage or specific filter media material
- Exposed intake element requires checking for weather protection in heavy rain
For Harley-Davidson Forty Eight 2010-2015For Harley-Davidson Iron 883 2009-2015For Harley-Davidson Seventy Two 2012-2015For Harley-Davidson Sportster 1200 1988-2015For Harley-Davidson Sportster 883 1988-2015
Key specs
- Machined Material
- CNC billet aluminum
- Sportster Model Coverage
- Sportster 883 and 1200 models 1988-2015
- Iron 883 2009-2015
- Forty Eight 2010-2015 and Seventy Two 2012-2015
Pros:
- CNC-machined from solid billet aluminum for rigid structural strength
- Broad compatibility covering Sportster 883 and 1200 bikes from 1988 to 2015
- Complete system includes intake housing, backing plate, and filter element
Cons:
- Fitment ends at model year 2015, excluding newer Sportster variations
- Product specifications omit warranty terms and filter servicing intervals
Aftermarket 100% vrand new color,same like pictures show Exposed filter design that enhance air flow Backing plate promotes smooth airflow into carburetor/throttle body.Condition: Aftermarket 100% Brand New Color: same like pictures show Exposed filter design that enhance air flow Backing plate prom
Key specs
- Crankcase Breather Style
- Internal breathing system without external hoses
- Maintenance Requirements
- Filter element is washable and re-oilable for routine servicing using standard air filter oil.
Pros:
- Internal breathing passages eliminate the need for external vent hoses
- Billet aluminum front plate ensures strong and durable mounting
- Filter element is washable and re-oilable for repeated routine maintenance
- Compact profile measuring under 4.3 inches in width and length
Cons:
- Listing explicitly references XL883P, requiring fitment verification for other models
- Manufacturer does not provide a listed warranty duration
Fitment ： for harley FLHR Road King / FLHRXS Road King Special / FLHTCU Electra Glide Ultra Classic / FLHTK Ultra Limited / FLHTKL Ultra Limited Low (2017-2020).Fitment : for harley FLSB Softail Sport Glide / FLDE Softail Deluxe / FLFB Softail Fat Boy / FLFBS Softail Fat Boy 114 / FLHC Softail Herit
Key specs
- Faceplate Customization
- Detachable skull logo plate
- Milwaukee-Eight Fitment
- Engineered specifically for M8 Touring models from 2017 to 2020 and M8 Softail applications from 2018 to 2020.
Pros:
- Machined from CNC aluminum with a detachable skull faceplate accent
- Backing plate incorporates hidden crankcase breathers for a clean setup
- Covers Milwaukee-Eight Touring from 2017-2020 and Softail from 2018-2020
- Compatible with standard replacement inverted air filter elements
Cons:
- Stylized skull design may not appeal to riders seeking an OEM or understated look
- Manufacturer does not provide warranty terms in the product listing
Last update on 2025-06-29 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
The K&N Air Intake System for Harley Davidson Touring and Softail models from 2008 to 2017 is a game changer for riders craving a boost in horsepower and a richer engine growl. This kit doesn’t just slap on an air filter — it overhauls your bike’s breathing system with a cast aluminum high-volume intake housing that’s as tough as it is sleek, finished in a matte black that fits perfectly with Harley’s iconic style. It’s built to seriously up your throttle response, making acceleration smoother and punchier. The integrated internal velocity stack helps streamline airflow, maximizing the engine’s efficiency and performance.
One standout feature is the washable and reusable K&N High-Flow cotton air filter, which is renowned for offering stellar filtration without choking the engine’s air supply. Unlike paper filters that need tossing after a while, this cotton filter can be cleaned and reused, saving money and reducing waste over the long haul. The design ensures you get the perfect balance between protection from dirt and debris and an unrestricted air intake to feed your engine’s hunger for power.
Riders have often praised how this system transforms the sound of their Harley, delivering a deeper, throatier note that turns heads without overwhelming the rider or bystanders. It’s an auditory upgrade that complements the performance boost, giving your bike a presence that’s hard to ignore on the road.
Installation is surprisingly straightforward, too, with clear instructions and all necessary hardware included. This makes it a solid option even if you prefer a DIY approach rather than visiting the mechanic every time you want to upgrade. Plus, the durable aluminum housing resists corrosion and wear, promising longevity that keeps pace with your adventures.
Whether you’re carving corners or cruising highways, this K&N Air Intake System amps up engine power and responsiveness, giving your Harley the breath of fresh air it deserves. It’s a smart investment for riders who want a no-nonsense, effective upgrade that delivers both style and substance.
In short, the combination of improved airflow, reusable filtration, and enhanced engine sound makes this air cleaner kit a top contender for anyone looking to fine-tune their Harley Davidson’s performance from 2008 to 2017.
The HD-0800 29442-99e Air Filter is a robust upgrade designed for a range of Harley Davidson models including Road King, Electra Glide, Screamin Eagle, Dyna, Softail Springer, Fat Boy, and more. Built as a direct replacement for Harley part numbers 29442-99A/B/C/D and K&N’s HD-0800, this filter promises to crank up horsepower and accelerate throttle response, all while providing exceptional filtration to keep your engine breathing clean. The washable and reusable cotton media means this filter isn’t just a one-hit wonder; it’s a long-term companion that’s easy to maintain and kind to your wallet.
The boost in airflow this filter offers is no small feat. Riders have reported a noticeable improvement in throttle feel and engine efficiency after installation, which makes every ride sharper and more responsive. Whether you’re hitting the highways or tooling around town, the HD-0800 promises a reliable performance lift without sacrificing protection against dirt and debris.
One thing worth mentioning is the importance of checking the fit carefully — it’s specifically tailored for select Harley models from 2001 through 2008, including special editions like the 15th Anniversary Fat Boy. The dimensions (6.25 x 6.25 x 2.35 inches) are crucial to get right to ensure seamless installation and optimal performance.
Customer service support stands ready to assist with any concerns or questions post-purchase, offering timely responses plus free refunds or returns if necessary, which speaks volumes about the brand’s confidence in the product.
Pros and Cons
Pros
- Boosts horsepower and improves acceleration rate, giving your Harley a more aggressive edge.
- High airflow combined with excellent filtration balances power and protection effectively.
- Washable and reusable filter media cuts down on replacement costs and reduces environmental waste.
- Compatible with a wide range of popular Harley Davidson models, including Screamin Eagle editions.
- Comes with solid customer support offering hassle-free returns and refunds.
Cons
- Fitment is specific, so double-checking the exact model compatibility before purchasing is a must.
- Installation may require some mechanical know-how or assistance for first-timers.
- Though reusable, cleaning and maintenance still require care to preserve filter integrity over time.
In essence, the HD-0800 29442-99e Air Filter gives your Harley Davidson that extra breath of fresh air it needs to perform better on every ride. Its durable construction, enhanced airflow, and reliable filtration make it a savvy choice for riders who want more punch from their throttle without messing around. It blends performance and practicality, making it a solid pick for those particular Harley models looking to keep their engines humming with power and precision.
Riders aiming to squeeze every ounce of power from their Harley Davidson between 2017 and 2019—think Road King, Electra Glide, Ultra Classic, Tri Glide, and Limited variants—will find the K&N HD-1717 Engine Air Filter a savvy upgrade. This ain’t your run-of-the-mill filter; it’s engineered for serious longevity and performance, backed by a 10-year/million-mile limited warranty that practically guarantees peace of mind for the life of your bike. The magic lies in the state-of-the-art media, crafted to ramp up horsepower and give your acceleration a noticeable kick while also improving overall engine responsiveness.
Right out of the box, the filter comes pre-oiled and ready to rock, making installation one of the simplest and most cost-effective tweaks you can do. No fuss, no mess—just swap it in and feel the difference on your next ride. The high-flow design lets your engine gulp air freely, which is critical for efficient combustion and extracting maximum power without compromising protection from grime or debris. The washable and reusable cotton media isn’t just a money-saver—it slashes waste, giving you an eco-friendly option that outlasts ten disposable filters combined.
Financially speaking, this filter pays dividends over time. Skipping disposable filters means you’re pocketing roughly $250 in savings over a decade, which more than covers the initial investment. And that’s not all—riders frequently note a sharper throttle response and smoother engine tone, which add a satisfying layer of engagement to the riding experience. Whether you’re carving curves on a weekend cruise or dominating long hauls, this filter boosts your bike’s efficiency and longevity.
The build quality matches K&N’s reputation—rugged, durable, and designed to withstand the rigors of the road. The filter holds up well even under tough riding conditions, offering consistent performance mile after mile. Plus, with the generous warranty, there’s little to worry about in terms of wear or premature failure.
In sum, the K&N HD-1717 Engine Air Filter ticks all the boxes for riders seeking a blend of enhanced power, cost efficiency, environmental responsibility, and ease of maintenance. It’s a smart choice for any Harley enthusiast wanting to elevate their machine’s performance while keeping things green and wallet-friendly.
The Nake Style Air Cleaner Kit offers a sleek, blacked-out upgrade for a wide range of Harley Davidson models, from Sportsters and Dynas to Softails and Touring bikes spanning from 2000 all the way to 2024. This kit is thoughtfully designed to fit various model years and types—Type A through D—covering Iron XL 1200 and 883 Roadsters, Dynas, Softails, Milwaukee-Eight M8 engines, and more, with only a few specific model exceptions. Its clever backing plate not only masks internal crankcase breathers but also channels air smoothly into your carburetor or throttle body, making sure your engine gets the clean, consistent airflow it craves.
One of the killer features is the exposed high-volume air filter that boosts airflow while keeping things looking sharp and aggressive. It’s a solid combo of form and function that doesn’t just help your bike breathe better but also upgrades its visual presence with that raw, “naked” style. Plus, the package includes everything you need—internal crankcase breathers integrated right in and all the mounting hardware—to make installation straightforward, even if you’re not a pro grease monkey.
This air cleaner kit’s ability to improve airflow translates directly to better throttle response and enhanced engine efficiency, which riders often feel as a livelier throttle and smoother ride. Whether you’re bombing down the highway or navigating city streets, your Harley benefits from a more efficient intake system that supports higher performance without sacrificing protection. It’s a perfect fit for those who want to inject fresh life into their bike’s powertrain without the hassle of complicated setups or frequent maintenance.
The build quality holds up well under the heat and vibrations of the road, offering durability that withstands the test of time and miles. Riders appreciate the balance struck between aggressive looks and practical performance, making this air cleaner kit a favorite among enthusiasts looking for a reliable and stylish upgrade. And since it’s designed with multiple fitment options, it’s easier to find the right match for your Harley’s year and model, avoiding the guesswork that sometimes accompanies aftermarket parts.
Pros and Cons
Pros
- Wide compatibility covering Sportster, Dyna, Softail, Touring, and Milwaukee-Eight M8 models from 2000 to 2024.
- Backing plate improves airflow and neatly conceals internal crankcase breathers.
- Exposed high-volume air filter boosts engine breathing and sharpens throttle response.
- Comes with all necessary mounting hardware and built-in crankcase breathers for easy installation.
- Stylish blacked-out “naked” design adds a bold, aggressive look to the bike’s profile.
Cons
- Some exceptions in fitment require careful checking before purchase to ensure compatibility.
- Installation might be tricky for beginners without mechanical experience.
- Exposed filter design, while stylish, may need more frequent cleaning in dusty or harsh environments.
Overall, the Nake Style Air Cleaner Kit delivers a well-rounded package of improved performance, ease of installation, and aggressive aesthetics for Harley riders who want their bike to stand out both in function and form. It’s an upgrade that breathes fresh life into your Harley’s engine while giving it that signature tough look that riders crave.
The K&N RK-3956 Air Intake System is a tailored powerhouse designed specifically for Harley Davidson's 2017 to 2019 M8 Touring lineup—including Street Glide, Road King, Fat Boy, and Freewheeler models. Crafted as a vehicle-specific fit, this kit doesn’t mess around with one-size-fits-all compromises. Instead, it dives deep into the exact needs of these motorcycles, delivering an air intake upgrade that sharpens throttle response and boosts horsepower without a hitch.
K&N’s legacy in high-performance air filtration shines through here, with a design focused on maximizing airflow while protecting your engine from dirt and grit. The system’s carefully engineered housing not only looks the part with a sleek, sturdy construction but also optimizes the air path for smoother, more efficient breathing. This translates to a punchier acceleration that riders notice right away—because a bike that inhales better simply performs better.
One of the key benefits is the filter media, which is washable and reusable, saving riders money over time and reducing environmental waste compared to disposable filters. That’s a win-win you rarely get with stock air cleaners. The maintenance is straightforward—just clean and re-oil when needed, keeping your intake system in peak shape without a fuss.
Installation is a breeze for anyone comfortable with basic bike mods, thanks to the vehicle-specific design and comprehensive instructions. Riders swapping out their stock intake will appreciate how seamlessly this kit integrates with the existing setup—no complicated tweaks, just bolt-on power gains.
Performance-wise, this air intake system enhances the Harley’s engine sound too, delivering a richer, more aggressive growl that adds character without overpowering the ride. It’s that subtle yet unmistakable soundtrack every Harley owner craves. And beyond the thrill of sound and speed, better airflow means improved engine efficiency and longevity—a crucial factor for riders logging serious miles.
K&N backs this product with their well-known quality assurance, offering peace of mind alongside tangible upgrades. For those looking to squeeze extra performance out of their M8 Touring machine, the RK-3956 offers a no-nonsense, effective way to make your Harley breathe easier and roar louder on every ride.
Pros and Cons
Pros
- Precisely engineered for 2017-2019 Harley M8 Touring models, ensuring a perfect fit and hassle-free installation.
- High-flow design significantly improves horsepower and throttle response for a livelier ride.
- Washable, reusable filter media reduces long-term costs and environmental impact.
- Enhances engine sound with a deeper, more aggressive tone that enhances riding enjoyment.
- Durable construction with K&N’s trusted build quality and reliability.
Cons
- Limited to specific Harley Davidson models, so it’s essential to verify compatibility before purchasing.
- Installation, while straightforward, may require basic mechanical skills or assistance for some riders.
- Premium performance comes at a higher price point compared to basic replacement filters.
The K&N RK-3956 Air Intake System stands out as a smart, targeted upgrade for Harley Davidson riders who want to unlock more performance from their M8 Touring bikes. It’s the kind of enhancement that transforms everyday rides into something a bit more exhilarating, all while keeping maintenance simple and cost-effective over time.
