ARLEN NESS 18-759 Big Sucker Kit Knuckle Air Filter

( Brand: Arlen Ness ), ( Manufacturer Part Number: 18-759 ), ( Type: Air Cleaner ), ( Make: Harley )

Review ARLEN NESS Big Sucker Stage Air Filter Kit Chrome Knuckle Aluminum

The Arlen Ness 18-759 Big Sucker Air Filter Kit, designed for Harley-Davidson Touring models, is a high-performance upgrade for your motorcycle's air intake system. This kit is an excellent choice for riders who want to enhance their bike's engine performance, power, and filtering capabilities.

The Big Sucker Air Filter Kit comes with a large, conical air filter element made from cotton gauze. This filter boasts an impressive surface area and pleat design that allows for increased airflow and improved filtration efficiency. The filter element is housed within a robust, black, powder-coated aluminum intake tube, which is both stylish and durable.

This air filter kit is designed to fit most Harley-Davidson Touring models, including Electra Glide , Road Glide , Street Glide , and FLT models, among others. It is a direct bolt-on replacement for the stock air filter and intake tube, making installation straightforward and hassle-free.

One of the primary benefits of the Arlen Ness Big Sucker Air Filter Kit is its ability to boost engine performance. By allowing more air to flow into the engine, the kit provides increased power and torque, resulting in a more responsive and thrilling riding experience.

Additionally, this air filter kit features a washable and reusable filter element. The cotton gauze material can be cleaned with soap and water, allowing you to maintain optimal filtration performance over time. This not only saves you money in the long run but also reduces the environmental impact of disposing of disposable air filters.

In summary, the Arlen Ness 18-759 Big Sucker Air Filter Kit is an excellent upgrade for Harley-Davidson Touring motorcycle owners looking to enhance their engine performance, improve filtration efficiency, and add a touch of style to their bike. With its large, conical filter element, robust aluminum intake tube, and straightforward installation process, this kit is an investment that will provide both performance and aesthetic benefits for years to come.

Arlen Ness 18-759 "Big Sucker" Air Filter Kit for Harley-Davidson Knucklehead Engines: Pros and Cons

The Arlen Ness 18-759 Big Sucker Air Filter Kit is a popular aftermarket upgrade for Harley-Davidson Knucklehead engines. This air filter kit is designed to improve engine performance and air filtration. Here are some pros and cons of buying this product.

1. Enhanced Engine Performance: The Big Sucker air filter kit increases air flow to the engine, which can lead to improved horsepower and torque.

2. Better Air Filtration: The oversized filter element provides more surface area for trapping dirt and debris, resulting in cleaner air entering the engine.

3. Easy Installation: The kit comes with detailed instructions and all necessary hardware, making installation relatively straightforward for most users.

4. Improved Fuel Economy: By improving engine efficiency, the Big Sucker air filter kit can also lead to better fuel economy.

5. Custom Look: The large, polished aluminum air cleaner housing adds a unique and eye-catching appearance to the motorcycle.

1. Higher Cost: The Arlen Ness Big Sucker air filter kit is more expensive than OEM filters.

2. Increased Maintenance: The larger filter element may require more frequent cleaning or replacement compared to stock filters.

3. Potential Fitment Issues: Some users have reported issues with the kit fitting properly on their Knucklehead engines, requiring modifications or additional parts.

The Arlen Ness 18-759 Big Sucker Air Filter Kit offers several benefits for Harley-Davidson Knucklehead engine owners, including improved engine performance, better air filtration, and a custom look. However, it comes with a higher cost, increased maintenance requirements, and potential fitment issues. Ultimately, the decision to purchase this kit depends on your priorities, budget, and level of comfort with DIY installation and modifications.

If you're looking to enhance the performance and appearance of your Harley-Davidson Knucklehead engine and are willing to invest in a higher-cost aftermarket filter kit, the Arlen Ness Big Sucker Air Filter Kit could be a good choice for you. Make sure to carefully review the installation instructions and consider any potential fitment issues before making the purchase. If you're on a tighter budget or prefer a more straightforward installation, you may want to consider other aftermarket air filter options or sticking with the OEM filter.

Details:

Breather passages exit at the mouth of carburetor/throttle body, creating a virtually closed-loop system. Type: Air Cleaner, Style: Stage I Knuckle Cover, model: Big Sucker, Color: Chrome, Pack Quantity: Kit, Shape: Round, Material: Aluminum, Feature: Pre-Oiled, Sold as: Kit. Any damage claims may be exchanged for the identical item only. Note: Exempt per CARB Executive Order E.O. #D-639-8 for 2008 - 2016 FLT 2015 - 2016 FLST 2016 2017 FXDLS.

Arlen Ness, Chrome Big Sucker Stage 1 Carbon air Filter Kit w/Standard Air Billet Cover, This item fits the following model's: Harley Davidson XL Sportswear 883 2006, Harley 2005, 2004, XLH 1200 2003, 2002, 2001, 20 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, XLR Roadster 2002. Features: Features a one-piece aluminum backing plate/carb support bracket with patented hidden breather technology and radius air inlet. Kit includes high-performance filter, backing plate and steel outer cover. All necessary hardware and instructions are included with each kit.

part #: 18759 prices

• $305.95-$339.95

specifications scoofilters:

• brand: Arlen Ness
• mpn: 18-759
• type: Air Cleaner
• make: Harley

offer scoofilters:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 6
• started: April 28, 2025

shipping scoofilters:

• type: Fixed
• transit: 3-7 Days
• class: Economy, Standard, Expedited
• cost: $0.00
• service: Economy, Standard, Expedited

seller scoofilters:

• city: Loudon, TenNessee
• # reviews: 569402
• rating: 98.9%

general scoofilters:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters

payments scoofilters:

• wallet: Paypal
• other
• credit card: Mastercard

returns scoofilters:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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