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RK-3932
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K&N RK-3932 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   4.6 out of 5 stars   14 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 a good looking appearance, offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle. These intake systems increase power by eliminating the stock OE air cleaner and replacing it with a complete high-flow air intake system. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. A durable mounting gasket is also included to help absorb vibration. The K&N high-flow air filter is washable, reusable, pre-oiled and ready for installation. Simple designed custom covers give this air intake good looks while powering down the highway or at your local show.

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

Product Specifications

Estimated Horsepower Gain7.16 HP @ 5206 RPM
Air Filter ColorRed
Air Filter Height2.125 in (54 mm)
Air Filter Inside Diameter6.375 in (162 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Air Filter ShapeUnique
CARB EO NumberD-269-55
Clamp MaterialNo Clamps Required
Clamp StyleNo Clamps Required
Clamps IncludedNo Clamps Included
Inlet Diameter3.5 in (89 mm)
Mounting Hardware IncludedYes
Neck Flange3.5 in (89 mm)
Overall Height2.25 in (57 mm)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Product StyleMotorcycle Intake System
Replacement FilterE-3975
Size6-8
Street Legal In All US StatesSee Application Link Above
StyleTriangle
Top MaterialChrome
Top StyleMetal
TUV Approved (Europe)No
Weight4.4 lb (2 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N RK-3932 Intake System-Harley Davidson Product Reviews

Thursday, January 5, 2017 - Part RK-3932
Extremely overpriced.

Rey Solis
San Antonio, Texas
Thursday, January 5, 2017 - Part RK-3932
I found this filter to be okay, but not impressive. Next time I will shop around before making a hasty decision based on brand alone. The velocity stack is just a rubber cone. On a scale of 1 to 10, I rate this filter a 5. I did not find any impressive throttle response.

Rey Solis
San Antonio, Texas
Friday, December 23, 2016 - Part RK-3932
Extremely easy to install. Had no problems tightening bolts under rubber cone with Allen wrench. Did notice improvement in throttle response. Broke my power belt doing burnouts. My 2005 Harley Davidson Heritage EFI is a stage 2. I would recommend this product. K&N had the cheapest price.

Reynaldo Solis
San Antonio, Texas
Saturday, June 18, 2016 - Part RK-3932
Product is good, does what it said on the tin, but, it was awful trying to tighten bolts under the rubber horn with an Alan key.

George
Devon, United Kingdom
Wednesday, July 22, 2015 - Part RK-3932
After working with customer service & tech (Guy)/ manager we resolved the wrong part issue. K & N stood by their word as promised to me. I highly value them keeping their word & resolving my issue. I look forward to keeping & building our relation with their well known parts value & quality.

Deane
Methuen, Massachusetts
Friday, May 29, 2015 - Part RK-3932
Wonderful intake; it was easy to install, with step by step instructions. I wouldn't mind receiving emails on items related to my bike and I will also refer it to my friends. Thanks once again for providing such a wonderful product.

Ronald Bond
Montogomery, Texas
Thursday, August 14, 2014 - Part RK-3932
Best air intake system I have found. Even better than the hyper charger I had before. This is the 3rd review that I have done and I dont know why you wont post this .I do wish you guys would sell the replacement filter alitte bit cheaper.

Randy Sybert
Ohio