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K&N

K&N Cold Air Intake System: High-Flow Air Filter, Increase Performance & Acceleration: Compatible with 1999-2017 Harley Davidson: (See Product Description for Select Models) RK-3933B

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Availability: In Stock.
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Arrives Thursday, Jun 25
Order within 16 hours and 40 minutes
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Features

  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are included with each intake system.
  • IMPROVED ENGINE SOUND - HEAR THE GROWL: K&Ns intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed.
  • BETTER TOWING: K&N Air intake kit improves acceleration and uphill performance when towing by improving throttle response, overall horsepower and torque. Excellent for daily and highway driving.
  • PREMIUM ENGINE PROTECTION FROM A TRUSTED BRAND: K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle.
  • HIGH-FLOW REUSABLE AIR FILTER: 4 layers of pleated, breathable cotton with K&Ns red filter oil to absorb dirt & dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100k miles under normal highway conditions.
  • EASY TO INSTALL: Includes detailed, step-by-step instructions & all necessary parts- the entire air intake system can typically be installed in less than 60 minutes with basic hand tools.
  • MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support.

Description

K&N is the inventor of the Air Intake System and has over 50 years of experience in the performance filtration industry. Proudly designed and manufactured in the USA, this premium cold air intake system is specifically designed for your vehicle and is dyno tested to provide a guaranteed increase in horsepower. It features a high flow intake tube, custom heat shield, and oversized K&N Washable High-Flow Cotton Air Filter for ultimate airflow. This Intake system replaces the restrictive OEM air box to provide an improved driving experience for daily driving or towing. It installs easily in about 60 minutes and is backed by a No-Hassle Lifetime Limited Warranty and will not void your factory warranty.Compatible Vehicles:2012-2016 HARLEY DAVIDSON FLD Switchback2007-2007 HARLEY DAVIDSON FLHR Road King2007-2007 HARLEY DAVIDSON FLHRC Road King Classic1999-2006 HARLEY DAVIDSON FLHRCI Road King Classic F/I2000-2006 HARLEY DAVIDSON FLHRI Road King F/I2007-2007 HARLEY DAVIDSON FLHRS Road King Custom2004-2006 HARLEY DAVIDSON FLHRSI Road King Custom F/I2007-2007 HARLEY DAVIDSON FLHT Electra Glide Standard2007-2007 HARLEY DAVIDSON FLHTC Electra Glide Classic1999-2006 HARLEY DAVIDSON FLHTCI Electra Glide Classic F/I2007-2007 HARLEY DAVIDSON FLHTCU Ultra Classic Electra Glide1999-2006 HARLEY DAVIDSON FLHTCUI Electra Glide Ultra Classic F/I2003-2006 HARLEY DAVIDSON FLHTI Electra Glide Standard F/I2007-2007 HARLEY DAVIDSON FLHX Street Glide2006-2006 HARLEY DAVIDSON FLHXI Street Glide F/I2012-2015 HARLEY DAVIDSON FLS Softail Slim2007-2015 HARLEY DAVIDSON FLSTC Heritage Softail Classic2001-2006 HARLEY DAVIDSON FLSTCI Heritage Softail Classic F/I2007-2015 HARLEY DAVIDSON FLSTF Fat Boy2010-2015 HARLEY DAVIDSON FLSTFB Softail Fat Boy Lo2001-2006 HARLEY DAVIDSON FLSTFI Fat Boy F/I2006-2006 HARLEY DAVIDSON FLSTI Heritage Softail F/I2007-2015 HARLEY DAVIDSON FLSTN Softail Deluxe2005-2006 HARLEY DAVIDSON FLSTNI Softail Deluxe F/I2008-2011 HARLEY DAVIDSON FLSTSB Softail Cross Bones2007-2007 HARLEY DAVIDSON FLSTSC Softail Springer Classic2005-2006 HARLEY DAVIDSON FLSTSCI Softail Springer Classic F/I2001-2003 HARLEY DAVIDSON FLSTSI Heritage Springer F/I2007-2007 HARLEY DAVIDSON FLTR Road Glide1999-2006 HARLEY DAVIDSON FLTRI Road Glide F/I2008-2009 HARLEY DAVIDSON FXCW Rocker2008-2011 HARLEY DAVIDSON FXCWC Rocker C

Product Grade: Like New


Brand: K&N


Fit Type: Vehicle Specific Fit


OEM Part Number: RK-3933B


Global Trade Identification Number: 10


Brand Name: K&N


Model Number: RK-3933B


OEM Equivalent Part Number: RK-3933B


Manufacturer Part Number: RK-3933B


Global Trade Identification Number: 10


Manufacturer: K&N Engineering


UPC: 024844364210


Item Type Name: Air Intake System (Harley Davidson)


Included Components: Air filter^Back plate(2)^Cover^Literature pack^Parts kit


Unit Count: 1.0 Count


Manufacturer Warranty Description: 1,000,000 Miles


Shape: Rectangular


Product Grade: Like New


Fit Type: Vehicle Specific Fit


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • K+N !
Xmas gift ! Love it , sits an inch closer to motor than screaming beagle it replaced !
Reviewed in the United States on February 28, 2026 by Andrew

  • Fit and looks great on my 2014 Harley Fat Bob 103.
Fit and looks great on my 2014 Harley Fat Bob 103.
Reviewed in the United States on July 9, 2025 by the__beautymark

  • More AIR!!!!!
Fits perfectly, easy to install
Reviewed in the United States on September 23, 2023 by terry fraser

  • Great fit exalt quality
Fit is perfect 2012 dyna
Reviewed in the United States on July 23, 2023 by Yiddles

  • Missing back plate
Missing back plate
Reviewed in the United States on September 22, 2024 by Andres A Bustamante

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