1. Motorcycle/Scooter Air Filters Deals
  2. sku: 10099913430999771
  3. HARLEY DAVIDSON 18-501-1

HARLEY-DAVIDSON 18-501-1 Big Sucker Performance Air Filte STG2 9909 G2U

fits make: Harley.

18-501-1 Harley-davidson Big Sucker Stg2 9909 Chr Performance Pn 185011 Air Filte G2u

( Brand: Harley-davidson ), ( Manufacturer Part Number: 18-501-1 ), ( Country Of Origin: United States ), ( Custom Bundle: No ), ( Features: Easy Installation ), ( Finish: Gloss ), ( Manufacturer Warranty: No Warranty ), ( Material: Metal ), ( Mounting Style: Bolt-on ), ( Universal Fitment: Yes )

Review HARLEY DAVIDSON Big Sucker Chr Performance Pn 185011 Air Filte G2u

Introducing the Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U, a high-performance upgrade for your Harley-Davidson motorcycle's air intake system. This air filter, manufactured by K&N, is specifically designed to deliver increased air flow and improved filtration for enhanced engine performance and longevity.

The Big Sucker STG2 9909 Air Filter is a reusable, washable, and replaceable drop-in replacement for your OEM air filter. It features a large, conical design with multiple layers of cotton and synthetic media, which provides an exceptionally large filtering area to capture more air and improve overall engine efficiency. The filter utilizes an oiled cotton media that can be washed and reused multiple times, reducing the need for frequent replacements and saving you money in the long run.

This air filter is part of the K&N High Performance Air Filter line, which is known for its excellent filtration capabilities. The filter media is able to trap 99.97% of dirt, dust, and other contaminants as small as 10 microns, ensuring clean air enters your engine. This results in improved combustion efficiency, increased horsepower, and better fuel economy.

The Big Sucker STG2 9909 Air Filter is easy to install and requires no modifications to your motorcycle. It is designed to fit directly into your existing air box, making it a straightforward upgrade for any Harley-Davidson rider. The filter comes with a heat shield to protect the filter from direct engine heat, ensuring optimal performance and longevity.

In summary, the Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U is a high-performance upgrade for your Harley-Davidson motorcycle's air intake system. It delivers increased air flow and improved filtration for enhanced engine performance and longevity, while being easy to install and reusable. With its large conical design, multiple layers of media, and exceptional filtration capabilities, this air filter is an excellent choice for any serious Harley-Davidson rider looking to improve their bike's performance.

Pros and Cons of Buying Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U

Introduction:

The Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U is a high-performance air filter designed specifically for Harley-Davidson motorcycles. This air filter promises improved engine performance and increased horsepower. In this analysis, we will examine the pros and cons of investing in this aftermarket air filter.

Pros:

1. Enhanced Engine Performance: The Harley-Davidson Big Sucker STG2 air filter is engineered to capture more air, allowing the engine to breathe more efficiently. This results in improved engine performance and increased horsepower.

2. Longer Filter Life: Compared to the stock air filter, the Big Sucker STG2 air filter offers a longer service life, reducing the need for frequent filter replacements.

3. Easy Installation: The air filter comes with a washable and reusable foam filter element, making it easy to clean and reinstall. Additionally, the installation process is straightforward and can be completed in a short amount of time.

4. Improved Filtration Efficiency: The G2U design of the air filter offers better filtration efficiency than the stock air filter, ensuring that contaminants are effectively kept out of the engine.

5. Better Engine Protection: By capturing more air and providing improved filtration, the Big Sucker STG2 air filter helps protect the engine from harmful debris and contaminants.

Cons:

1. Higher Cost: Compared to the stock air filter, the Harley-Davidson Big Sucker STG2 air filter is more expensive. However, the potential performance gains and extended filter life may offset the initial investment.

2. Potential Increase in Air Filter Maintenance: While the air filter is washable and reusable, riders may need to clean it more frequently due to the increased airflow.

3. Potential Impact on Fuel Economy: An increase in engine performance may result in a slight decrease in fuel economy. However, this impact is minimal and may be offset by the potential performance gains.

Conclusion:

The Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U offers several advantages, including enhanced engine performance, longer filter life, easy installation, improved filtration efficiency, and better engine protection. While there are potential cons, such as the higher cost and potential increase in air filter maintenance, the potential performance gains and extended filter life may make this investment worthwhile for Harley-Davidson motorcycle owners seeking to optimize their riding experience.

Recommendation:

If you are a Harley-Davidson motorcycle owner looking to improve engine performance and extend filter life, the Harley-Davidson 18-501-1 Big Sucker STG2 9909 Performance Air Filter G2U is a worthwhile investment. However, it is important to consider the potential impact on fuel economy and increased air filter maintenance. If you are unsure about the installation process, it may be beneficial to consult a professional mechanic to ensure proper installation.

Details:

part #: 185011 prices

  • $14.60-$64.00

specifications scoofilters:

  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 18-501-1
  • country of origin: United States
  • custom bundle: No
  • features: Easy Installation
  • finish: Gloss
  • manufacturer warranty: No Warranty
  • material: Metal
  • mounting style: Bolt-on
  • universal fitment: Yes

seller scoofilters:

  • city: Morristown, Tennessee
  • # reviews: 46939
  • rating: 96.8%

returns scoofilters:

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

general scoofilters:

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

shipping scoofilters:

  • class: Standard
  • transit: 9-13 Days
  • service: USPS Ground Advantage
  • cost: $0.00
  • carrier: USPS
  • type: Fixed

payments scoofilters:

  • wallet: Paypal
  • credit card: Discover
  • other

offer scoofilters:

  • options: Ship-to-home
  • started: March 31, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 1
for makes: harley, country of origin: united states, custom bundle: no, features: easy installation, finish: gloss, manufacturer warranty: no warranty, mounting style: bolt-on, universal fitment: yes,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > air filters, material: metal, sku: 10099913430999771,

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