K&N HD-9608 High Flow Air Filter - Harley Dyna & 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.
Give your Harley-Davidson Dyna or Softail the gift of unrestricted airflow with the K&N HD-9608 High Flow Air Filter. Engineered to maximize the air entering your engine, this filter is a critical component for riders seeking improved throttle response and overall performance. It's a direct, bolt-in replacement for your stock filter, ensuring a hassle-free upgrade.
Why riders pick this
- Increases engine airflow for better power delivery
- Multi-layer cotton gauze provides superior filtration
- Washable and reusable for lasting performance
- Pre-oiled and ready for direct OEM airbox installation
- Designed to perform without requiring fuel tuning
The K&N HD-9608 High Flow Air Filter is specifically designed to boost the performance of Harley-Davidson Dyna and Softail models. Utilizing advanced multi-layer woven cotton gauze media, it significantly increases the volume of clean air delivered to your V-twin engine. This optimized airflow translates directly into better combustion efficiency, leading to a noticeable increase in horsepower and torque across the RPM range.
Optimized Design for Maximum Flow
- Multi-layer woven cotton gauze media provides excellent filtration
- Pleated design maximizes filtration area for extended service intervals
- Direct OEM airbox fit with a secure, application-specific sealing bead
- Washable and reusable, pre-oiled and ready for immediate installation
- Increases performance without typically requiring fuel tuning
Simple Upgrade, Significant Impact
Installing the K&N HD-9608 is as simple as swapping out your old filter. It's designed for a perfect fit within your factory airbox, ensuring a secure seal. Beyond the immediate performance gains, the washable and reusable nature of this filter means long-term cost savings and consistent high performance for your Harley. Just clean and re-oil as needed to keep your bike running strong.
Specifications
- Brand: K&N
- Manufacturer Part #: HD-9608
- UPC: 024844231178
- Dimensions: 8.5 in L x 8.5 in W x 3.62 in H
- Weight: 1.86 lbs
- Country of Origin: USA
Common questions
Will installing this filter require a retune for my Dyna or Softail?
No, fuel management modifications are not normally required. This filter is engineered to bolt in and perform with your bike's existing tune and stock airbox.
Is the K&N HD-9608 air filter easy to maintain?
Yes, it's designed for easy maintenance. The filter is washable and reusable, allowing you to clean and re-oil it periodically rather than replacing it.
What Harley-Davidson models does this filter fit?
This filter is compatible with various Harley-Davidson Dyna and Softail models. Please use the Shop by Bike tool to verify fitment for your specific year and model before purchasing.
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 | 729608 |
| WEIGHT | 1.86 lb |
