K&N HD-8899 High Flow Air Filter - Harley Touring & Softail
About K&N
K&N pioneered the washable, reusable cotton-gauze air filter and has been building intake products since 1969. On a V-twin, an intake swap is usually step one of the classic uncork — filter, exhaust, then tune.
Upgrade your Harley-Davidson Touring or Softail with the K&N HD-8899 High Flow Air Filter for improved engine breathing. This filter is engineered to deliver a significant increase in airflow compared to stock, enhancing your V-twin's performance. It installs directly into your OEM airbox, making it a simple and effective upgrade.
Why riders pick this
- Increases engine airflow for better performance
- Cotton-gauze media for robust filtration
- Washable and reusable for extended use
- Pre-oiled and ready for immediate installation
- Typically no fuel management adjustments needed
The K&N HD-8899 High Flow Air Filter is designed for Harley-Davidson Touring and Softail models, offering a straightforward path to better engine performance. Its pleated cotton-gauze media construction is optimized to maximize airflow while maintaining excellent filtration, protecting your engine from harmful contaminants. Experience a more responsive throttle and stronger power delivery on the open road.
Built for Lasting Performance
- Pleated cotton-gauze media increases airflow to the engine
- Maintains excellent filtration for engine protection
- Washable and reusable design for long-term value
- Pre-oiled and ready to install into your stock airbox
- Direct OEM replacement, typically requiring no fuel management changes
Effortless Upgrade, Proven Results
Installation of the K&N HD-8899 is a direct swap for your factory air filter, fitting perfectly into your OEM airbox. This washable and reusable filter eliminates the need for frequent disposable filter replacements, saving you time and money. Simply clean and re-oil it as part of your regular maintenance for consistent high performance from your Harley-Davidson.
Specifications
- Brand: K&N
- Manufacturer Part #: HD-8899
- UPC: 024844071811
- Dimensions: 8.5 in L × 8.5 in W × 3.62 in H
- Weight: 1.44 lbs
- Country of Origin: USA
Common questions
Do I need to tune my bike after installing this K&N filter?
Fuel management modifications are typically not required. This filter is designed as a direct OEM replacement that works with your existing tune for most applications.
Is the K&N HD-8899 air filter reusable?
Yes, this K&N filter is fully washable and reusable. Regular cleaning and re-oiling will ensure it continues to perform optimally for many miles.
Will this filter fit my specific Harley-Davidson model?
This filter fits various Harley-Davidson Touring and Softail models. Please check your specific year and model against our Shop by Bike tool to ensure compatibility with your airbox before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | K&N |
| TYPE | Air Filters |
| SKU | 728899 |
| WEIGHT | 1.44 lb |
