HARLEY HD-1390 Evolution Big Air Filter

( Brand: Harley ), ( Manufacturer Part Number: HD-1390 ), ( Type: Air Filter ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )

Review HARLEY Genuine Air Filter Davidson 1990 Evolution Big New fits TWIN 1990-99

The HD-1390 Air Filter from KN Filters is a high-performance replacement air filter specifically designed for Harley-Davidson Big Twin motorcycles manufactured between 1990 and 1999. This air filter, part number HD-1390, guarantees optimal engine protection and improved airflow for your Evolution engine.

Crafted from pleated, synthetic cotton media, this air filter provides excellent filtration efficiency while ensuring that your engine breathes freely, which translates to enhanced performance and improved throttle response. Its open design and large filtering surface area allow for a significant increase in airflow compared to OEM filters, leading to a more responsive riding experience.

The HD-1390 Air Filter features a seal designed to ensure an airtight fit onto your Harley-Davidson's airbox. The OEM desired shape and internal structure of this filter ensures it drop-in compatibility, allowing for a hassle-free installation process. As this is an aftermarket product, it can be installed in place of the stock air filter without requiring any modifications to your motorcycle, ensuring a straightforward upgrade process.

KN Filters' commitment to innovation and quality is evident in its HD-1390 Air Filter. By incorporating the latest in filter media technology and design, KN ensures that this air filter offers the highest level of filtration while delivering exceptional engine protection and performance gains.

Maintenance-friendly, the HD-1390 Air Filter features a washable and reusable design with an extended service life. To maintain optimal filtration performance, simply wash it with warm water and mild soap, allow it to dry completely, and then reinstall. Along with the extended service life, the cost-effective nature of the HD-1390 Air Filter makes it an exceptional value for motorcyclists seeking high-quality performance and durability. so if you are looking to upgrade your air filtration system on your Harley Davidson Big Twin from 1990-1999, be sure to consider the HD-1390 Air Filter by KN Filters for proven reliability, performance, and ease of use.

The Harley-Davidson HD-1390 air filter is a performance upgrade option for Harley-Davidson Evolution Big Twin motorcycles manufactured between 1990 and 1999. This air filter promises improved engine performance, increased horsepower, and enhanced filtration. However, like any aftermarket part, it comes with its advantages and disadvantages.

1. Enhanced Performance: The HD-1390 air filter increases airflow to the engine resulting in improved horsepower and torque. This leads to smoother acceleration and better engine response.

2. Better Filtration: This high-performance air filter can capture more micron-sized particles, ensuring cleaner airflow to the engine, preventing deposits and reducing maintenance needs.

3. Easy Installation: The installation process for this air filter is relatively straightforward and can be completed in a short amount of time, often without the need for any major modifications.

1. Cost: The HD-1390 air filter is priced higher than the stock air filter, making it a more expensive option for Harley-Davidson riders.

2. Increased Maintenance: Since the HD-1390 air filter guarantees improved performance, it needs to be maintained more frequently than the stock filter. This additional maintenance can add an unwanted expense and hassle.

3. Potential Customization Concerns: Installing an aftermarket air filter might affect the appearance or quality of your Harley-Davidson's OEM parts and may not be preferred by some collectors or enthusiasts seeking originality.

The HD-1390 air filter for Harley-Davidson Evolution Big Twin motorcycles can provide noticeable performance improvements. However, its advantages come at the cost of increased maintenance and potential customization concerns. Riders looking to enhance their bike's performance, particularly those who prioritize power over appearance, might find the HD-1390 air filter to be a worthy investment. Conversely, those seeking to maintain their bike's original look or are not willing to assume the added maintenance requirements might choose to stick with the stock air filter. Ultimately, the decision ultimately depends on individual priorities and preferences.

If you're looking to improve the performance of your 1990-99 Harley-Davidson Evolution Big Twin and are willing to invest in some additional maintenance, consider purchasing the HD-1390 air filter. However, if you value originality or prefer minimal maintenance, it's best to stick with the stock air filter. In either case, make sure to purchase the air filter from a reputable source to ensure quality and compatibility with your bike.

Details:

1993-99 model's with head breathers won't need them. Filter is new in its original unopened bag as pictured. Up for sale is a Genuine K N Performance Air Filter. Box was damaged and discarded.

Pleated media provides a large filtration area offering long service intervals. Fits various 1990 99 Evolution Big Twin model's with original equipment air cleaner housings. The instructions mention some plastic plugs used in applications that don't use vent lines, these are not included. Direct replacement for OEM filters 29259-91A and 29330-96.

Made in the USA. A few words concerning FREE SHIPPING: In order to keep prices affordable, most items ship by USPS. If a part number is not provided and I give incorrect fitment information then return would be accepted as long your bike altered from stock. I make every effort to properly identify the fitment of each part sell.

Whether you ride a Touring, Electra Glide, Road Street CVO, Softail Heritage Classic, Fat Boy, Springier, DNA or Sportswear I am sure theres something here for. However, on occasion USPS can take longer and this is out of my control. New in original package as pictured. Multiple layers of woven cotton gauze media offers excellent filtration.

Washable reusable, pre-oiled and ready to ride.

part #: hd1390 prices

• $49.99-$92.90

specifications scoofilters:

• for models: Twin
• for makes: Harley, Davidson
• for years: 1990-99
• brand: Harley
• mpn: Hd-1390
• type: Air Filter
• country/region of manufacture: United States
• performance part: Yes

offer scoofilters:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: January 1, 2025

shipping scoofilters:

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

general scoofilters:

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

seller scoofilters:

• city: Port Orange, Florida
• # reviews: 2010
• rating: 100.0%

payments scoofilters:

• wallet: Paypal
• other
• credit card: Visa

returns scoofilters:

• policy: No Returns

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