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Intake System-Harley Davidson
€307.39
In stock
SKU
RK-3947X
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. This series completely eliminates the stock OE air cleaner and replaces it with a high-flow K&N air intake system, increasing power. This intake system uses an extra tall K&N air filter, which means even more air flow and longer service intervals than standard RK-series air intake filters. Larger or custom engine builds most often benefit from higher levels of air flow, so the extra tall filter designs are a perfect choice for more powerful bikes. The K&N high-flow air filter is washable, reusable, pre-oiled and ready for installation, making an already easy install even faster. Just how fast? Less than 90 minutes, in most cases. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. A durable mounting gasket is also included to help absorb vibration. The brilliant shine on this custom flare-shaped chrome cover give this air intake makes an impression on and off the road.
- Designed for Harley-Davidson motorcycles
- Increase horsepower and torque
- Extra tall air filter design provides even more air flow and longer service intervals than standard RK-series air intakes
- Easy to install
- Made in the U.S.A.
- Backed by K&N Million Mile Limited Warranty
Estimated Horsepower Gain | 8.1 HP @ 4.493 RPM |
Replacement Filter | E-3986 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Warranty | No-Hassle Lifetime Limited |
Product Style | Motorcycle Intake System |
Air Filter Height | 3.125 in (79 mm) |
CARB EO Number | D-269-59 |
Street Legal In All US States | Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your vehicle in the applications listings. |
TUV Approved (Europe) | No |
Overall Height | 6.25 in (159 mm) |
Top Material | Chrome |
Weight | 4.3 lb (2 kg) |
Product Box Height | 4.88 in (124 mm) |
Product Box Length | 11.75 in (298 mm) |
Product Box Width | 9.5 in (241 mm) |
Mounting Hardware Included | Yes |
Harley-Davidson 2925308 |
Resources:
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2015 HD Street Glide 103 CI - 8.1HP Increase
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