K&N Engineering RK-3953 Street Metal Air Intake System for Harley-Davidson Motorcycles

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If you're looking for an aggressive appearance but want a significant increase in airflow, resulting in more power, this high-flow air intake system is exactly what your Harley needs. Installation is so simple, it can usually be done in 90 minutes or less. The K&N air filter is washable, reusable, pre-oiled and ready for installation. This intake system features an updated, modern look with an oval-shaped matte black housing. Silver details and sanded fins further enhance the streamlined look. Internal breathers provide a sleek, clean appearance. This air intake has a classic styling with a savage appeal. K&N Street Metal performance air intake systems increase power by replacing the restrictive stock OE air cleaner with a K&N complete performance air intake system. Associated products: E-3988 Custom Air Filter, 99-5000 Filter Care Service Kit Aerosol

• 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.
• Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
• Cast aluminum high-volume, performance air intake housing in black
• Designed to improve throttle response and engine sound
• Built-in breathers replace external OE breathers
• Easy to install, usually in 90 minutes or less
• Integrated internal velocity stack
• Guaranteed to increase horsepower

Upgrade your Harley-Davidson motorcycle with the K&N Engineering RK-3953 Street Metal Air Intake System. Designed to replace the restrictive stock air cleaner, this performance intake combines a high-flow, washable cotton air filter with a high-volume cast aluminum housing to improve airflow, throttle response, and engine sound. Its integrated internal velocity stack helps direct air efficiently into the engine, while built-in breathers replace external original-equipment breathers for a cleaner installation.

The system features a modern oval-shaped matte black housing with silver accents and sanded fins for a streamlined custom appearance. The pre-oiled K&N High-Flow Air Filter is ready to install and reusable, providing long-term performance and protection. Under normal highway driving conditions, the filter can travel up to 100,000 miles before cleaning is required. Installation is designed to be straightforward and can typically be completed in 90 minutes or less using common hand tools.

The K&N Engineering RK-3953 is EPA compliant and includes California Air Resources Board Executive Order D-269-59 where applicable. It is designed for selected Harley-Davidson fuel-injected motorcycles, including the 2001 FLSTFI Fat Boy, FLSTSI Heritage Springer, FXSTBI Night Train, FXSTDI Softail Deuce, FXSTI Softail Standard, and FXSTSI Springer Softail, along with the 2002 FLHRCI Road King Classic, FLHTCI Electra Glide Classic, FLHTCUI Electra Glide Ultra Classic, and FLSTCI Heritage Softail Classic. Verify vehicle application before ordering. Associated service products include the E-3988 Custom Air Filter and 99-5000 Filter Care Service Kit Aerosol.

What's Included

• Cast aluminum Street Metal air intake housing
• Pre-oiled, washable, reusable K&N High-Flow Air Filter
• Integrated internal velocity stack
• Installation hardware and components

Features:

• High-Flow Air Filter: Washable and reusable cotton filter is pre-oiled and designed to provide strong airflow and engine protection.
• Performance Airflow: Replaces the restrictive stock air cleaner to help increase horsepower, throttle response, and engine sound.
• Cast Aluminum Housing: High-volume matte black housing provides durable construction and a distinctive custom appearance.
• Integrated Breathers: Built-in internal breathers replace external original-equipment breathers for a clean, streamlined installation.

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

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-269-59
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1