K&N HD-0800 High Flow Air Filter - Harley-Davidson 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.
Unleash more power from your V-twin with the K&N HD-0800 High Flow Air Filter. Engineered to boost airflow and enhance filtration, this filter is a direct replacement for your stock unit, designed for riders who demand more from their Harley.
Why riders pick this
- Boosts engine airflow for improved performance
- Multi-layer pleated cotton-gauze filtration media
- Washable and reusable for long-term value
- Pre-oiled and ready for immediate installation
- Direct fit into OEM airbox without modifications
The K&N HD-0800 High Flow Air Filter is built for performance, allowing your engine to breathe easier while maintaining superior filtration. This means better throttle response and a more efficient burn, all without the need for complex fuel tuning in most stock applications. It's a simple, effective upgrade that delivers noticeable results on the street.
Engineered for Performance and Durability
- Pleated cotton-gauze media increases airflow over stock filters
- Multi-layer construction provides excellent engine protection
- Washable and reusable design extends service life
- Pre-oiled and ready for immediate installation into the OEM airbox
- Application-specific sealing bead ensures a precise, leak-free fit
Simple Upgrade for Enhanced Riding
Installing the K&N HD-0800 is a straightforward process, fitting directly into your existing OEM airbox. This makes it an ideal first step for riders looking to uncork their Milwaukee-Eight or Twin Cam without getting into a full stage kit right away. Pair it with a quality exhaust for a well-rounded improvement in both sound and feel.
Specifications
- Brand: K&N
- Manufacturer Part #: HD-0800
- UPC: 024844113122
- Length: 6.31 in
- Width: 6.56 in
- Height: 3.5 in
- Weight: 1.46 lbs
Common questions
Do I need to retune my bike after installing this filter?
No, fuel management modifications are not typically required. This filter is designed to work with your bike's stock ECU mapping.
Is this filter washable and reusable?
Yes, the pleated cotton-gauze media is fully washable and reusable. Simply clean and re-oil it according to K&N's instructions.
Will this fit my specific Harley-Davidson Touring or Softail model?
This filter fits a wide range of Harley-Davidson Touring and Softail models. Please use our Shop by Bike tool to confirm exact fitment for your year and model 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 | 720800 |
| WEIGHT | 1.46 lb |
