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K&N

K&N Cold Air Intake System: Powersports High-Flow Air Filter, RK-3933B

Based on 21 reviews
Condition: New
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$208.75
Save $1.24 was $209.99

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Availability: In Stock.
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Arrives Thursday, Oct 29
Order within 9 hours and 4 minutes

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At a glance

Condition
New
Model
RK-3933B
Product Grade
Like New
Fit Type
Vehicle Specific Fit
Item Type Name
Air Intake System (Harley Davidson)
Shape
Rectangular
In the box
Air filter^Back plate(2)^Cover^Literature pack^Parts kit

Features 4

  • Increased Horsepower: Guaranteed to increase horsepower, helping unlock greater performance from your engine.
  • Enhanced Driving Experience: Improves throttle response and improved engine sound.
  • Premium Construction: Built with premium intake materials and a durable, high-quality finish designed for lasting performance.
  • Washable & Reusable Air Filter: Includes a High-Flow Air Filter that can go up to 100,000 miles before cleaning under normal highway driving conditions.

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:2007-2017 HARLEY DAVIDSON FXDB Street Bob2008-2017 HARLEY DAVIDSON FXDF Fat Bob2007-2017 HARLEY DAVIDSON FXDL Dyna Low Rider2014-2017 HARLEY DAVIDSON FXDL Low Rider2007-2017 HARLEY DAVIDSON FXDWG Dyna Wide Glide2012-2016 HARLEY DAVIDSON FLD Switchback2012-2015 HARLEY DAVIDSON FLS Softail Slim2007-2015 HARLEY DAVIDSON FLSTC Heritage Softail Classic2007-2015 HARLEY DAVIDSON FLSTF Fat Boy2010-2015 HARLEY DAVIDSON FLSTFB Softail Fat Boy Lo2007-2015 HARLEY DAVIDSON FLSTN Softail Deluxe2014-2015 HARLEY DAVIDSON FXSB Breakout2007-2014 HARLEY DAVIDSON FXDC Super Glide Custom2011-2013 HARLEY DAVIDSON FXS Blackline2008-2011 HARLEY DAVIDSON FLSTSB Softail Cross Bones2008-2011 HARLEY DAVIDSON FXCWC Rocker C2007-2010 HARLEY DAVIDSON FXD Dyna Super Glide2007-2010 HARLEY DAVIDSON FXSTB Night Train2007-2010 HARLEY DAVIDSON FXSTC Softail Custom2008-2009 HARLEY DAVIDSON FXCW Rocker2007-2009 HARLEY DAVIDSON FXST Softail Standard2007 HARLEY DAVIDSON FLHR Road King2007 HARLEY DAVIDSON FLHRC Road King Classic2007 HARLEY DAVIDSON FLHRS Road King Custom2007 HARLEY DAVIDSON FLHT Electra Glide Standard2007 HARLEY DAVIDSON FLHTC Electra Glide Classic2007 HARLEY DAVIDSON FLHTCU Ultra Classic Electra Glide2007 HARLEY DAVIDSON FLHX Street Glide2007 HARLEY DAVIDSON FLSTSC Softail Springer Classic2007 HARLEY DAVIDSON FLTR Road Glide2007 HARLEY DAVIDSON FXSTD Softail Deuce1999-2006 HARLEY DAVIDSON FLHRCI Road King Classic F/I2000-2006 HARLEY DAVIDSON FLHRI Road King F/I2004-2006 HARLEY DAVIDSON FLHRSI Road King Custom F/I1999-2006 HARLEY DAVIDSON FLHTCI Electra Glide Classic F/I1999-2006 HARLEY DAVIDSON FLHTCUI Electra Glide Ultra Classic F/I2003-2006 HARLEY DAVIDSON FLHTI Electra Glide Standard F/I2006 HARLEY DAVIDSON FLHXI Street Glide F/I2001-2006 HARLEY DAVIDSON FLSTCI Heritage Softail Classic F/I2001-2006 HARLEY DAVIDSON FLSTFI Fat Boy F/I2006 HARLEY DAVIDSON FLSTI Heritage Softail F/I2005-2006 HARLEY DAVIDSON FLSTNI Softail Deluxe F/I2005-2006 HARLEY DAVIDSON FLSTSCI Softail Springer Classic F/I

Specs 18

Product Grade Like New
Brand K&N
Fit Type Vehicle Specific Fit
OEM Part Number RK-3933B
Number of Items 1
Brand Name K&N
Model Number RK-3933B
OEM Equivalent Part Number RK-3933B

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Oct 29

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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Leasing options through Acima may also be available during checkout.

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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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