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RK-3934
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K&N RK-3934 Intake System-Harley Davidson

Custom Assemblies > Intake System-Harley Davidson
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.8 out of 5 stars   5 Customer Reviews
  • Designed for Harley-Davidson motorcycles
  • Increase horsepower and torque
  • Easy to install
  • Made in USA
  • Backed by K&N warranty
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. An elegant chromed custom cover makes this air intake a showstopper; your bike is sure to be turning heads with this one.

[RK Series Street Metal High Flow Air Intakes for Harley-Davidson Motorcycles]

Product Specifications

Estimated Horsepower Gain10.23 HP @ 5155 RPM
Replacement FilterE-3336
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Warranty1,000,000 Miles/10 Year
Product StyleMotorcycle Intake System
Air Filter Height2.25 in (57 mm)
CARB EO NumberD-269-55/59
Street Legal In All US StatesYes
TUV Approved (Europe)No
Inlet Diameter2.313 in (59 mm)
Overall Height2.5 in (64 mm)
Top MaterialChrome
Weight4.8 lb (2.2 kg)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Mounting Hardware IncludedYes
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N RK-3934 Intake System-Harley Davidson Product Reviews

Thursday, February 25, 2016 - Part RK-3934
Great product. Easy to install. Worked great with my new (Brand Name) pipes. Definitely noticed an improvement even before I put the pipes on. Looks great as well. I will recommend the RK-3934 to anyone looking to upgrade.

Scott R
Riverside, California
Tuesday, May 26, 2015 - Part RK-3934
Good product.

David Dutton
Wadsworth, Texas
Sunday, January 25, 2015 - Part RK-3934
The RK-3934 arrived with a small but deep scratch on the chrome face plate & I wasn't impressed. However I decided to install it as I had been waiting to get it on the bike & did not want to waste more time returning it as damaged stock. That's the only sorry part. The build & quality is supperb. & my 2013 softtail is a much happier bike. A great product guys I hope K&N stick with making strong durable products. 'm happy to pay for quality & trouble free products.IM VERY HAPPY.

Neil
Australia