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  • K&N Street Metal Intake System for 02-06 Harley-Davidson Road King F/I 88cl Side Draft Dyna/Softail
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K&N Street Metal Intake System for 02-06 Harley-Davidson Road King F/I 88cl Side Draft Dyna/Softail

K&N Engineering
KNNRK-3953
Auf Lager
Cold Air Intakes
$314.99
K&N Street Metal Intake System | 2002-2006 Harley Road King, Dyna & Softail Upgrade your 2002-2006 Harley-Davidson Road King F/I 88ci, Dyna, or Softail with...
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$314.99
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K&N Street Metal Intake System for 02-06 Harley-Davidson Road King F/I 88cl Side Draft Dyna/Softail
Description

K&N Street Metal Intake System | 2002-2006 Harley Road King, Dyna & Softail

Upgrade your 2002-2006 Harley-Davidson Road King F/I 88ci, Dyna, or Softail with the K&N RK-3956 Intake System. Boost airflow, horsepower, and torque with a washable filter and custom cast aluminum housing.

The K&N RK-3956 Intake System is engineered to replace restrictive factory air cleaners on 2002–2006 Harley-Davidson Road King Fuel Injected (88ci), Side Draft Dyna, and Softail models. Built around an oversized K&N High-Flow Air Filter, this system optimizes air volume into the engine to maximize performance and power output.

It features a durable, high-volume cast aluminum housing with an oval matte black finish, accented by sanded fins and silver detailing for a refined, modern custom look. Integrated internal breathers remove external hose clutter, creating a clean profile while retaining classic cruiser styling with an aggressive edge.

Best Uses

  1. Performance Upgrades: Enhancing throttle response and overall horsepower for Twin Cam 88ci engines.
  2. Custom Styling: Replacing stock factory air cleaner covers with an aggressive, low-profile metal housing.
  3. Low-Maintenance Riding: Long-distance touring and commuting using a washable, reusable filter element.
  4. Clean Cockpit Aesthetics: Streamlining engine-side aesthetics by eliminating bulky external breather lines.

Features

  1. Oversized High-Flow Filter: Comes pre-oiled and constructed from cotton gauze media designed to increase airflow.
  2. Cast Aluminum Housing: Heavy-duty matte black oval housing built for high-volume air intake.
  3. Integrated Internal Breathers: Built-in breather channels eliminate the need for external tubes or fittings.
  4. Custom Machined Finishes: Features sanded aluminum fins and silver highlights for a refined finish.
  5. Direct Bolt-On Installation: Designed for a straightforward setup that mounts in approximately 90 minutes or less.

Benefits

  1. Increased Power: Boosts engine horsepower and torque by significantly reducing intake restriction.
  2. Reusable & Cost-Effective: Washable, pre-oiled filter element eliminates the recurring cost of replacement filters.
  3. Aggressive Engine Profile: Upgrades your V-Twin's appearance with a sleek, custom metal housing.
  4. Street Legal Reliability: Fully street legal in most states to ensure compliant performance operation.
  5. Simplified Maintenance: Long service intervals mean less frequent air filter servicing.



This Part Fits:

 

Year Make Model Submodel
2012-2016 Harley-Davidson FLD Switchback Base
2007 Harley-Davidson FLHR Road King Base
2007 Harley-Davidson FLHRC Road King Classic Base
2002-2006 Harley-Davidson FLHRCI Road King Classic Base
2003-2006 Harley-Davidson FLHRI Road King Base
2007 Harley-Davidson FLHRS Road King Custom Base
2004-2006 Harley-Davidson FLHRSI Road King Custom Base
2007 Harley-Davidson FLHT Electra Glide Standard Base
2007 Harley-Davidson FLHTC Electra Glide Classic Base
2002-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2007 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2002-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2007 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLHXI Street Glide Base
2012-2015 Harley-Davidson FLS Softail Slim Base
2007-2015 Harley-Davidson FLSTC Heritage Softail Classic Base
2002-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2007-2015 Harley-Davidson FLSTF Fat Boy Base
2010-2015 Harley-Davidson FLSTFB Fat Boy Lo Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
2006 Harley-Davidson FLSTI Heritage Softail Base
2007-2015 Harley-Davidson FLSTN Softail Deluxe Base
2005-2006 Harley-Davidson FLSTNI Softail Deluxe Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2007 Harley-Davidson FLSTSC Softail Springer Classic Base
2005-2006 Harley-Davidson FLSTSCI Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
2007 Harley-Davidson FLTR Road Glide Base
2002-2006 Harley-Davidson FLTRI Road Glide Base
2008-2009 Harley-Davidson FXCW Rocker Base
2008-2011 Harley-Davidson FXCWC Rocker C Base
2007-2010 Harley-Davidson FXD Dyna Super Glide Base
2007-2017 Harley-Davidson FXDB Street Bob Base
2006 Harley-Davidson FXDBI Street Bob Base
2007-2014 Harley-Davidson FXDC Super Glide Custom Base
2005-2006 Harley-Davidson FXDCI Super Glide Custom Base
2008-2017 Harley-Davidson FXDF Fat Bob Base
2004-2006 Harley-Davidson FXDI Dyna Super Glide Base
2006 Harley-Davidson FXDI35 Dyna 35th Anniversary Super Glide Base
2007-2009,2014-2017 Harley-Davidson FXDL Dyna Low Rider Base
2014-2017 Harley-Davidson FXDL Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
2007-2008,2010-2017 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
2004-2005 Harley-Davidson FXDXI Dyna Super Glide Sport Base
2011-2013 Harley-Davidson FXS Blackline Base
2014-2015 Harley-Davidson FXSB Breakout Base
2007-2009 Harley-Davidson FXST Softail Standard Base
2007-2009 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2007-2010 Harley-Davidson FXSTC Softail Custom Base
2007 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
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Shipping:

1. Shipments to the Contiguous 48 US States Orders $149.99 and over qualify for our fast free shipping offer. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

2. Please see our International Orders page for orders shipping outside the US. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

3.For a specific delivery ETA based on the exact item(s) you want to purchase, please call us at (248) 832-2444 or message us via Chat before placing an order.

Returns:

1. Returned products must be in new, unused condition and include the original box and/or packaging with all tags included.

2. Once your return is received and inspected by MotoKarMax (usually within 48-72 hours of receiving), your refund will be processed and a credit will be applied to your credit card or original payment method. Please note that depending on your credit card company, it may take an additional 2-10 business days after your credit is applied for it to be posted to your account.

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