fits model: Twin.

( Brand: Arlen Ness ), ( Manufacturer Part Number: 18-561 ), ( Part Type: Cam Filter )
The Arlen Ness 18-561 Big Sucker Air Filter Kit is an essential upgrade for Harley-Davidson Twin Cam motorcycles in search of enhanced engine performance and improved filtration. This high-quality air filter kit, designed by the renowned aftermarket accessories manufacturer Arlen Ness, is engineered to deliver superior air flow and increased horsepower.
The Big Sucker Air Filter Kit comes with a large, conical-shaped air filter element, which boasts an impressive surface area for maximum air intake. The air filter is made from cotton gauze material, providing excellent filtration efficiency, ensuring that only clean air reaches the engine. This results in improved combustion, increased engine power, and smoother engine operation.
The air filter housing is made from durable, UV-protected polycarbonate material, ensuring a snug fit and reliable sealing against the elements. The housing is designed to accommodate the large air filter element without compromising the bike's original air box or air intake design.
The Arlen Ness 18-561 Big Sucker Air Filter Kit also features a convenient, reusable and washable design, allowing for easy maintenance and extended life span. The kit comes with all necessary hardware for installation, including screws, gaskets, and clamps, ensuring a hassle-free installation process.
Overall, the Arlen Ness 18-561 Big Sucker Air Filter Kit is an excellent choice for Harley-Davidson Twin Cam owners looking to optimize their engine performance, improve filtration, and add a stylish touch to their motorcycle with the iconic Arlen Ness branding.
The Arlen Ness 18-561 Big Sucker Air Filter Kit is a popular aftermarket upgrade for Harley-Davidson Twin Cam engines. This kit promises improved airflow and better filtration, but like any modification, it comes with its pros and cons. Here's a comprehensive analysis of this air filter kit.
Pros:1. Enhanced Airflow: The Big Sucker air filter kit offers increased airflow, which can lead to better engine performance and increased horsepower.
2. Superior Filtration: The kit uses a high-performance pleated paper filter that offers superior filtration compared to the stock air filter. This results in cleaner air entering the engine and reduced engine wear.
3. Custom Look: The oversized air cleaner assembly gives your Harley-Davidson a unique, custom look that is often associated with the Arlen Ness brand.
4. Easy Installation: The kit comes with all necessary hardware for installation, making it a relatively straightforward process for most Harley-Davidson owners.
5. Improved Fuel Economy: By increasing the airflow and improving combustion efficiency, the Big Sucker air filter kit can potentially lead to improved fuel economy.
Cons:1. Cost: The Arlen Ness 18-561 Big Sucker Air Filter Kit is more expensive than stock air filters. However, the price difference is offset by the potential performance improvements and custom look.
2. Maintenance: The oversized filter requires more frequent maintenance compared to the stock filter. This is due to the increased airflow and the larger filter surface area.
3. Compatibility: The kit is designed specifically for Harley-Davidson Twin Cam engines. It may not be compatible with other engine types.
4. Noise Level: Some users have reported an increase in engine noise with the Big Sucker air filter kit installed. This is due to the increased airflow and the larger intake system.
Conclusion:The Arlen Ness 18-561 Big Sucker Air Filter Kit offers several advantages for Harley-Davidson Twin Cam owners, including improved engine performance, superior filtration, a custom look, easy installation, and potentially improved fuel economy. However, it comes with some disadvantages, such as a higher cost, increased maintenance requirements, compatibility limitations, and potential noise increase.
Recommendation:If you're looking for improved engine performance, superior filtration, and a custom look for your Harley-Davidson Twin Cam engine, the Arlen Ness 18-561 Big Sucker Air Filter Kit is an excellent choice. However, be prepared for the increased cost, maintenance requirements, and potential noise increase. Ultimately, the decision to purchase this kit depends on your priorities and budget. If you're looking for a simple, cost-effective air filter upgrade, this may not be the best option for you. But if you're willing to invest in a high-performance air filter system that delivers noticeable improvements and a unique look, the Arlen Ness Big Sucker Air Filter Kit is worth considering.
All necessary hardware and instructions are included with each kit. One-piece aluminum backing plate features patented hidden breather technology. Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash re-use. Features: Accepts Ness Stage I Round covers ONLY SOLD SEPARATELY.
Specs: PRODUCT NAMEAIR CLEANER, model BIG SUCKER, DESIGNSTAGE I, AIR CLEANER SHAPEROUND, COLOR/FINISHBLACK / SILVER, BASE COLORBLACK, FILTER MEDIA MATERIALCOTTON, MATERIALALUMINUM, FEATURESPRE-OILED COMPATIBLE WITH OEM COVER, UNITSKIT, RIDING STYLESTREET. Radius air inlet provides maximum performance by providing unobstructed airflow.