K&N HD-1611 High Flow Air Filter - Harley Softail & Dyna
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.
Maximize your Harley Softail or Dyna's performance with the K&N HD-1611 High Flow Air Filter. This filter is engineered with pleated cotton gauze media to deliver increased airflow while maintaining excellent filtration. It's a direct replacement for your stock filter, pre-oiled and ready for immediate installation.
Why riders pick this
- Increases engine airflow for better performance
- Washable and reusable cotton-gauze element
- Direct replacement for OEM air filter
- Pre-oiled and ready for immediate installation
- No fuel management tuning typically required
The K&N HD-1611 High Flow Air Filter is a crucial upgrade for riders of Harley Softail Slim, Cross Bones, and Dyna Street Bob models looking for a boost in engine efficiency. Its multi-layer pleated cotton gauze construction is designed to significantly increase the volume of air entering your engine, promoting better throttle response and power. This filter is built for the long haul, offering a washable and reusable design that provides lasting value.
Optimized Airflow for Enhanced Riding
- Pleated cotton gauze media ensures maximum airflow and extended service intervals
- Large filtration area enhances engine protection and performance
- Direct fit into your OEM airbox with an application-specific sealing bead
- Washable and reusable, pre-oiled and ready to ride right out of the box
Effortless Upgrade, Enduring Quality
Installing the K&N HD-1611 is a straightforward process, as it's designed to drop directly into your factory airbox without requiring any fuel tuning modifications. This makes it an ideal performance upgrade for riders who want more from their V-twin without complex adjustments. Its durable, reusable construction means you can simply clean and re-oil the filter as part of your regular maintenance, ensuring consistent, high-flow air filtration for many thousands of miles.
Specifications
- Brand: K&N
- Manufacturer Part #: HD-1611
- UPC: 024844308207
- Length: 8.5 in
- Width: 8.5 in
- Height: 3.62 in
- Weight: 1.3 lbs
Common questions
Will this filter require a fuel tuner or remapping?
No, K&N designed this filter to deliver increased airflow without typically requiring fuel management modifications when installed alone on most applications.
Is this air filter reusable?
Yes, the cotton-gauze element of this filter is washable and reusable. K&N offers service kits for proper cleaning and re-oiling to maintain its performance.
How often should I clean this air filter?
Service intervals depend on your riding conditions. We recommend regular inspection and cleaning using K&N's filter care products when the filter appears dirty.
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 | 721611 |
| WEIGHT | 1.3 lb |