Arlen Ness Air Cleaner For Sportster: Upgrade Guide

Hey guys! If you're looking to soup up your Harley-Davidson Sportster, you've probably stumbled upon the Arlen Ness air cleaner. They're a super popular choice, and for good reason! These air cleaners not only look awesome but also can seriously boost your bike's performance. In this article, we'll dive deep into everything you need to know about the Arlen Ness air cleaner for your Sportster, from the different styles available to installation tips and performance benefits. Whether you're a seasoned rider or new to the world of customizing, this guide is designed to help you make an informed decision and get the most out of your ride. Get ready to transform your Sportster and turn some heads while you're at it! We'll cover why you should consider an Arlen Ness air cleaner, the various styles, the installation process, and some frequently asked questions. Let's get started!

Why Choose an Arlen Ness Air Cleaner for Your Sportster?

So, why should you even bother with an aftermarket air cleaner, especially an Arlen Ness? Well, there are several key advantages that make this upgrade a worthwhile investment. First and foremost, a quality air cleaner like those from Arlen Ness significantly improves airflow to your engine. The stock air cleaner on your Sportster is often restrictive, designed to meet factory standards and noise regulations. An Arlen Ness air cleaner, on the other hand, is designed with performance in mind. This means a less restrictive design that allows for more air to flow into your engine. More air equals more power, simple as that! Your engine will breathe easier, leading to a noticeable increase in horsepower and torque. Think of it like this: your engine is a hungry beast, and the air cleaner is its mouth. You want that mouth to be wide open so it can gobble up all the air it needs.

Then there's the style factor. Let's be honest, stock air cleaners aren't exactly the sexiest components on a bike. Arlen Ness air cleaners are known for their distinctive designs, often featuring a sleek, aggressive look that instantly elevates the appearance of your Sportster. From their classic designs to more modern and edgy styles, Arlen Ness offers a look to match any rider's taste. Plus, a new air cleaner is an easy way to customize your bike without breaking the bank. It's an instant visual upgrade that can completely transform the look of your Sportster. Finally, the performance gains are often tangible. Many riders report a noticeable improvement in throttle response and overall engine performance after installing an Arlen Ness air cleaner. Combined with other upgrades, like a performance exhaust or fuel management system, an Arlen Ness air cleaner can unlock even more potential from your Sportster's engine. It's a key piece in the puzzle of maximizing your bike's performance capabilities. Increased airflow, style, and potential performance gains make the Arlen Ness air cleaner a no-brainer for many Sportster owners.

The Benefits in Detail

Increased Airflow: The primary benefit is improved airflow. A less restrictive design allows the engine to breathe easier, leading to better combustion and increased power.
Enhanced Performance: You can expect improved throttle response, quicker acceleration, and potentially an increase in horsepower and torque.
Style Upgrade: Arlen Ness air cleaners are designed to look good. They instantly enhance the appearance of your bike, offering a custom look.
Easy Installation: Compared to more complex upgrades, installing an air cleaner is relatively straightforward. Many kits include all the necessary hardware.
Compatibility: Arlen Ness air cleaners are designed to be compatible with various Sportster models, making it easier to find one that fits your bike.

Exploring the Different Arlen Ness Air Cleaner Styles

Arlen Ness offers a wide range of air cleaner styles to suit various tastes and performance needs. This variety is one of the reasons why they're so popular, as you can find an air cleaner that perfectly complements your bike's aesthetic and your personal riding style. Here are a few of the most popular Arlen Ness air cleaner styles you'll find for your Sportster:

Big Sucker Series: The Big Sucker is perhaps the most iconic Arlen Ness air cleaner. It's known for its high-performance design, offering a significant increase in airflow. The Big Sucker often features a unique, exposed filter design that allows for maximum air intake. It's a great choice if you're looking for a boost in power and a bold, aggressive look. This series comes in various finishes and designs, so you can find one that fits your style. The exposed filter is a signature look and definitely turns heads!
Velocity Series: The Velocity series offers a more streamlined and modern design. These air cleaners typically feature a compact design with a high-flow filter and a sleek cover. The Velocity series is perfect if you want improved performance with a more understated look. It's a great option if you prefer a cleaner, less cluttered appearance while still getting the performance benefits of an aftermarket air cleaner.
Inverted Series: The Inverted series offers a unique twist on the traditional air cleaner. It features a design where the filter is inverted, or flipped, providing a different look. This design can also improve airflow by providing more surface area for air intake. This style is for riders who want to make a statement, and are looking for something a bit different. The inverted design not only looks cool but can also boost performance.
Stage-I Air Cleaner Kits: These kits often include the air cleaner itself, as well as necessary mounting hardware and filters. They are designed for quick and easy installation, making them a great option for riders looking for a straightforward upgrade. You will find that some kits also include backing plates and other related components. These are often a good starting point if you're new to air cleaner upgrades.

Which Style is Right for You?

Choosing the right style depends on your personal preferences and riding goals. Consider these factors:

Performance Needs: If maximum airflow and performance are your priorities, the Big Sucker or Inverted series are excellent choices.
Aesthetic Preferences: Choose a style that matches your bike's overall look. The Velocity series offers a sleek, modern appearance, while the others provide a bold, aggressive look.
Installation Ease: Stage-I kits are the easiest to install, making them a good option for beginners.
Budget: Prices vary depending on the style and features. Consider your budget when making your selection.

Installing Your Arlen Ness Air Cleaner on Your Sportster

Okay, so you've chosen your Arlen Ness air cleaner and you're ready to get it installed. The installation process is generally straightforward, but it's important to follow the instructions carefully to ensure a proper fit and optimal performance. While the exact steps may vary slightly depending on the specific model and your Sportster year, here's a general overview of the installation process:

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What You'll Need

Arlen Ness Air Cleaner Kit (including all necessary hardware)
Basic hand tools (wrenches, screwdrivers, etc.)
Torque wrench (recommended)
Shop rags or paper towels
Owner's manual for your Sportster (for torque specifications and any model-specific instructions)

Step-by-Step Installation Guide

Preparation: Start by disconnecting the negative terminal of your motorcycle's battery. This is a crucial safety step to prevent any electrical mishaps. Then, gather your tools and make sure you have everything you need within reach.
Remove the Stock Air Cleaner: Carefully remove the existing stock air cleaner. This usually involves removing any covers, then unscrewing the backing plate from the carburetor or throttle body. Be sure to note how the stock components are assembled, as this will help when you install the Arlen Ness air cleaner.
Install the Backing Plate: Mount the new backing plate from the Arlen Ness kit to the carburetor or throttle body. Ensure that it's properly aligned and secured, following the manufacturer's instructions. Use the appropriate hardware and torque specifications recommended in the kit or in your Sportster's service manual.
Install the Filter: Place the air filter onto the backing plate. Most Arlen Ness air cleaners feature a filter that mounts directly onto the backing plate. Secure the filter using the provided hardware. Ensure that the filter is properly seated to prevent any air leaks.
Install the Cover: Attach the cover of the Arlen Ness air cleaner to the filter and backing plate. This step usually involves securing the cover with screws or other fasteners. Make sure the cover is securely in place.
Reconnect the Battery: Once the air cleaner is installed, reconnect the negative terminal of your motorcycle's battery.
Check for Leaks: Start your motorcycle and check for any air leaks around the air cleaner. You can often do this by listening for any hissing sounds or feeling for air movement around the connections. If you detect any leaks, tighten the fasteners as needed.

Important Considerations

Read the Instructions: Always read the installation instructions provided with your Arlen Ness air cleaner kit. These instructions are specific to the model and may include important tips and warnings.
Torque Specifications: Use a torque wrench to tighten fasteners to the recommended torque specifications. Over-tightening can damage components, while under-tightening can cause leaks.
Fuel Management: If you're upgrading your air cleaner, you may also need to adjust your fuel management system. More air in means you might need more fuel to maintain optimal air-fuel ratios. Consider installing a fuel management system or getting your bike professionally tuned to ensure peak performance.
Professional Installation: If you're not comfortable with mechanical work, consider having a professional install your air cleaner. This will ensure that the job is done correctly and safely.

Maintaining Your Arlen Ness Air Cleaner

Regular maintenance is key to keeping your Arlen Ness air cleaner performing at its best and extending its lifespan. Fortunately, the maintenance requirements are relatively simple, and should be part of your routine. Here’s what you need to know:

Cleaning the Filter

The most important aspect of maintaining your air cleaner is keeping the filter clean. The cleaning frequency depends on your riding conditions. If you ride in dusty or dirty environments, you'll need to clean your filter more often than someone who rides on clean roads. Generally, you should inspect your filter every few months, or more frequently if you notice a decrease in performance or a change in engine sound.

Cleaning Process: Remove the filter from the air cleaner housing. Use a cleaner specifically designed for air filters. Follow the cleaner's instructions carefully. Many filters can be cleaned with soap and water, but make sure the filter material can handle the water. Rinse the filter thoroughly to remove all traces of dirt and cleaner. Allow the filter to air dry completely before reinstalling it. Do not use compressed air to dry the filter, as this can damage the filter material.
Oiling the Filter: Some filters, especially those made of cotton gauze, require oiling after cleaning. This oil helps to trap dirt and debris. Use the air filter oil recommended by the filter manufacturer. Apply the oil evenly to the filter, and let it soak in for the recommended time before reinstalling the filter. Over-oiling can restrict airflow, so follow the instructions carefully.

Checking for Damage

Regularly inspect the air cleaner for any signs of damage. Check the filter for tears, holes, or other damage. Inspect the housing and backing plate for cracks or other issues. If you find any damage, replace the affected components as soon as possible. Damaged air cleaners can reduce performance and potentially damage your engine.

Other Maintenance Tips

Check Fasteners: Periodically check the fasteners that secure the air cleaner to your bike. Make sure all bolts and screws are tight. Vibration can sometimes cause fasteners to loosen over time.
Inspect Seals: Check the seals around the air cleaner to ensure they are in good condition. Worn or damaged seals can allow unfiltered air to enter the engine.
Replace Filters as Needed: Air filters don't last forever. Replace your filter according to the manufacturer's recommendations or when it becomes too dirty or damaged to clean effectively.
Regular Inspections: Make it a habit to inspect your air cleaner during your routine maintenance. Catching problems early can save you time and money in the long run.

Frequently Asked Questions About Arlen Ness Air Cleaners

Let’s address some common questions that riders have about Arlen Ness air cleaners for Sportsters:

Will an Arlen Ness air cleaner void my warranty? This depends on your specific warranty and local laws. However, installing aftermarket parts generally doesn't void your warranty unless the part directly causes a failure. Consult your warranty documents or contact your dealer for clarification.
Do I need to re-jet my carburetor or remap my EFI after installing an Arlen Ness air cleaner? Yes, in most cases. When you increase airflow with a performance air cleaner, you'll need to adjust the fuel delivery to match. This can be done by re-jetting your carburetor or remapping your Electronic Fuel Injection (EFI) system. Ignoring this step can lead to poor performance, rough running, and even engine damage.
How much horsepower will I gain? The horsepower gains vary depending on your specific Sportster model, the air cleaner style, and any other modifications you've made. While you may see small gains from the air cleaner alone, the best results are often achieved when combined with other performance upgrades. Real-world gains often range from a few horsepower to a bit more, but the improved throttle response is often more noticeable.
How often should I clean my air filter? The cleaning frequency depends on your riding conditions. In dusty environments, you may need to clean it more often. Generally, inspect and clean the filter every few months or as needed.
Where can I buy an Arlen Ness air cleaner? You can find Arlen Ness air cleaners at most motorcycle parts retailers, online stores, and through authorized Arlen Ness dealers.
Are Arlen Ness air cleaners street legal? Most Arlen Ness air cleaners are designed for performance use and may not be street legal in all areas. Check your local laws and regulations to ensure compliance.

Conclusion

Upgrading your Harley-Davidson Sportster with an Arlen Ness air cleaner is a fantastic way to improve performance, add style, and customize your ride. By choosing the right style for your needs, installing it correctly, and performing regular maintenance, you can enjoy the benefits of an Arlen Ness air cleaner for years to come. Remember to consider your riding style, budget, and performance goals when making your selection. With the right air cleaner, your Sportster will not only look amazing but also deliver a more thrilling riding experience. Happy riding, and enjoy the transformation of your Sportster!