Description
K&N’s Street Metal Series High-Flow Air Intake Systems provide attractive styling, offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle. These air intake systems eliminate the stock OE air cleaner and replace it with a complete high-flow air intake system to increase power. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The air intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N air filter is washable, reusable, pre-oiled and ready for installation. To help absorb vibration, a durable mounting gasket is also included. A distinguished black custom cover with beveled edges gives this air intake versatile styling that will enhance your bike’s appeal, whether you’re going for old school or ultra-modern.
Resources
Installation Instructions
Resources
Installation Instructions
Resources
Installation Instructions
Specifications:
| Air Filter Color | Red |
| Air Filter Height | 2.125 in (54 mm) |
| Air Filter Material | Cotton Gauze |
| Air Filter Washable | Yes |
| CARB EO Number | D-269-59 |
| Color / Finish | Red Filter, Metal Top |
| Description_DEF | Air Cleaner Assembly |
| Description_DES | Intake System-Harley Davidson |
| Description_EXT | K&N’s Street Metal Series High-Flow Air Intake Systems provide a good looking appearance, offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle. |
| Description_INV | Intake System-Harley Davidson |
| Description_MKT | K&N’s Street Metal Series High-Flow Air Intake Systems provide attractive styling, offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle. These air intake systems eliminate the stock OE air cleaner and replace it with a complete high-flow air intake system to increase power. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The air intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N air filter is washable, reusable, pre-oiled and ready for installation. To help absorb vibration, a durable mounting gasket is also included. A distinguished black custom cover with beveled edges gives this air intake versatile styling that will enhance your bike’s appeal, whether you’re going for old school or ultra-modern. |
| Description_SHO | Air Intake System |
| Estimated Horsepower Gain | 4.33 HP @ 5596 RPM |
| height | 4.875 |
| Horse Power Increase | 4 HP |
| length | 11.75 |
| LTL | N |
| Mounting Hardware Included | Yes |
| Overall Height | 2.25 in (57 mm) |
| Package Material | Corrugated |
| Package Type | Box |
| Product Style | Motorcycle Intake System |
| Prop 65 (C, R or CR) | CR |
| Prop 65 – Short Label | WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov |
| Prop 65 Warning Label | https://www.knfilters.com/images/l/prop65.jpg |
| Prop 65 Yes/No | Yes |
| Replacement Filter | HD-0800 |
| RPM | 5596 |
| Street Legal In All US States | See Vehicle Applications |
| Title | K&N RK-3944B Intake System-Harley Davidson |
| Top Material | Black Powder Coated |
| TUV Approved (Europe) | No |
| Warranty | No-Hassle Lifetime Limited |
| weight | 3.8 |
| weight | 3.8 lb (1.7 kg) |
| width | 9.5 |
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