K&N Street Metal Intake Gives Harley-Davidson Motorcycles a Boost in Power and Visual Appeal

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RK-3932 dyno on 88ci Harley.
RK-3932 dyno on 88ci Harley.
RK-3932 dyno on 96ci Harley.
RK-3932 dyno on 96ci Harley.
K&N's Street MetalTM Air Intake Systems are designed to boost performance and add a custom look to your Harley-Davidson® motorcycle. These air intake systems replace the stock intake assembly with a custom-built intake system designed to increase horsepower and torque at the rear wheel. They incorporate a custom aluminum backing plate, an integrated velocity stack and a classic custom cover with a mirror finish. They are also designed to provide a long service interval before cleaning is needed.
K&N's new RK-3932 Flare Street Metal Intake.
K&N's new RK-3932 Flare Street Metal Intake.


Offering both performance and good looks, K&N's Flare intake system, part RK-3932 , has a unique high tapered oval shape. It features an open element design for high airflow and includes a custom aluminum cover plate with a mirror finish.

K&N dynamometer tests show an estimated increase of 7.16 horsepower and 7.23 lb-ft. of torque at 5,206 RPM on a 2006 Harley-Davidson Road King with an 88 cubic inch engine. K&N also tested a 2010 Harley-Davidson Fab Bob with a 96 cubic inch engine. Impressive power gains were seen, with an estimated increase of 9.84 horsepower and 9.92 lb-ft. of torque.

Part number RK-3932 can be easily installed with basic hand tools in 90 minutes or less. This intake system requires no cutting or drilling and it is backed by the K&N Million Mile Limited Warranty.

K&N's Flare Street Metal Intake System, part number RK-3932, fits most fuel injected Twin-Cam Harley-Davidson models from 1999 to 2012. It will not fit 2008 and later Touring Model Harley-Davidson motorcycles. See the list below or go to KNFilters.com for an up to date list of RK-3932 Harley-Davidson applications.

RK-3932 will fit the following vehicles:
2012 Harley Davidson FLSTF Faty boy 103 Ci
2012 Harley Davidson FLSTFB softail Fat Boy Lo 103 Ci
2012 Harley Davidson FLSTN Softail Deluxe 103 Ci
2012 Harley Davidson Dyna Super Glide Custom 96 Ci
2012 Harley Davidson FXDF Fat Bob 103 Ci
2012 Harley Davidson FXDWG Dyna Wide Glide
2012 Harley Davidson FXDB Dyna Street Bob 96 Ci
2011 Harley Davidson FXDWG Dyna Wide Glide 96 Ci
2011 Harley Davidson FXDF Fat Bob 96 Ci
2011 Harley Davidson FXDC Dyna Super Glide Custom 96 Ci
2011 Harley Davidson FXDB Dyna Street Bob 96 Ci
2011 Harley Davidson FXCWC Rocker C 96 Ci
2011 Harley Davidson FLSTN Softail Deluxe 96 Ci
2011 Harley Davidson FLSTFB Softail Fat Boy Lo 96 Ci
2011 Harley Davidson FLSTF Fat Boy 96 Ci
2011 Harley Davidson FLSTC Heritage Softail Classic 96 Ci
2010 Harley Davidson FXSTC Softail Custom 96 Ci
2010 Harley Davidson FXDWG Dyna Wide Glide 96 Ci
2010 Harley Davidson FXDL Dyna Low Rider 96 Ci
2010 Harley Davidson FXDI Dyna Super Glide F/I 96 Ci
2010 Harley Davidson FXDF Fat Bob 96 Ci
2010 Harley Davidson FXDC Dyna Super Glide Custom 96 Ci
2010 Harley Davidson FXDB Dyna Street Bob 96 Ci
2010 Harley Davidson FXD Dyna Super Glide 96 Ci
2010 Harley Davidson FXCWC Rocker C 96 Ci
2010 Harley Davidson FXCW Rocker 96 Ci
2010 Harley Davidson FLSTSB Softail Cross Bones 96 Ci
2010 Harley Davidson FLSTN Softail Deluxe 96 Ci
2010 Harley Davidson FLSTFB Softail Fat Boy Lo 96 Ci
2010 Harley Davidson FLSTF Fat Boy 96 Ci
2010 Harley Davidson FLSTC Heritage Softail Classic 96 Ci
2009 Harley Davidson FXSTC Softail Custom 96 Ci
2009 Harley Davidson FXSTB Night Train 96 Ci
2009 Harley Davidson FXDWG Dyna Wide Glide 96 Ci
2009 Harley Davidson FXDL Dyna Low Rider 96 Ci
2009 Harley Davidson FXDF Fat Bob 96 Ci
2009 Harley Davidson FXDC Dyna Super Glide Custom 96 Ci
2009 Harley Davidson FXDB Dyna Street Bob 96 Ci
2009 Harley Davidson FXD Dyna Super Glide 96 Ci
2009 Harley Davidson FXCWC Rocker C 96 Ci
2009 Harley Davidson FXCW Rocker 96 Ci
2009 Harley Davidson FLSTSB Softail Cross Bones 96 Ci
2009 Harley Davidson FLSTN Softail Deluxe 96 Ci
2009 Harley Davidson FLSTF Fat Boy 96 Ci
2009 Harley Davidson FLSTC Heritage Softail Classic 96 Ci
2008 Harley Davidson FXSTC Softail Custom 96 Ci
2008 Harley Davidson FXSTB Night Train 96 Ci
2008 Harley Davidson FXDWG Dyna Wide Glide 96 Ci
2008 Harley Davidson FXDL Dyna Low Rider 96 Ci
2008 Harley Davidson FXDF Fat Bob 96 Ci
2008 Harley Davidson FXDC Dyna Super Glide Custom 96 Ci
2008 Harley Davidson FXDB Dyna Street Bob 96 Ci
2008 Harley Davidson FXD Dyna Super Glide 96 Ci
2008 Harley Davidson FXCWC Rocker C 96 Ci
2008 Harley Davidson FXCW Rocker 96 Ci
2008 Harley Davidson FLSTSB Softail Cross Bones 96 Ci
2008 Harley Davidson FLSTN Softail Deluxe 96 Ci
2008 Harley Davidson FLSTF Fat Boy 96 Ci
2008 Harley Davidson FLSTC Heritage Softail Classic 96 Ci
2007 Harley Davidson FXSTD Softail Deuce 96 Ci
2007 Harley Davidson FXSTC Softail Custom 96 Ci
2007 Harley Davidson FXSTB Night Train 96 Ci
2007 Harley Davidson FXST Softail Standard 96 Ci
2007 Harley Davidson FXDWG Dyna Wide Glide 96 Ci
2007 Harley Davidson FXDL Dyna Low Rider 96 Ci
2007 Harley Davidson FXDC Dyna Super Glide Custom 96 Ci
2007 Harley Davidson FXDB Dyna Street Bob 96 Ci
2007 Harley Davidson FXD Dyna Super Glide 96 Ci
2007 Harley Davidson FLTR Road Glide 96 Ci
2007 Harley Davidson FLSTN Softail Deluxe 96 Ci
2007 Harley Davidson FLSTF Fat Boy 96 Ci
2007 Harley Davidson FLSTC Heritage Softail Classic 96 Ci
2007 Harley Davidson FLHX Street Glide 96 Ci
2007 Harley Davidson FLHTCU Ultra Classic Electra Glide 96 Ci
2007 Harley Davidson FLHTC Electra Glide Classic 96 Ci
2007 Harley Davidson FLHT Electra Glide Standard 96 Ci
2007 Harley Davidson FLHRS Road King Custom 96 Ci
2007 Harley Davidson FLHRC Road King Classic 96 Ci
2007 Harley Davidson FLHR Road King 96 Ci
2006 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2006 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2006 Harley Davidson FXSTBI Night Train F/I 88 Ci
2006 Harley Davidson FXSTB Night Train 88 Ci
2006 Harley Davidson FXDWGI Dyna Wide Glide F/I 88 Ci
2006 Harley Davidson FXDLI Dyna Low Rider F/I 88 Ci
2006 Harley Davidson FXDI35 35th Anniv. Super Glide F/I 88 Ci
2006 Harley Davidson FXDI Dyna Super Glide F/I 88 Ci
2006 Harley Davidson FXDCI Dyna Super Glide Custom F/I 88 Ci
2006 Harley Davidson FXDC Dyna Super Glide Custom 88 Ci
2006 Harley Davidson FXDBI Street Bob F/I 88 Ci
2006 Harley Davidson FXD Dyna Super Glide 88 Ci
2006 Harley Davidson FLTRI Road Glide F/I 88 Ci
2006 Harley Davidson FLSTNI Softail Deluxe F/I 88 Ci
2006 Harley Davidson FLSTI Heritage Softail F/I 88 Ci
2006 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2006 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2006 Harley Davidson FLSTC Heritage Softail Classic 88 Ci
2006 Harley Davidson FLHXI Street Glide F/I 88 Ci
2006 Harley Davidson FLHTI Electra Glide Standard F/I 88 Ci
2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2006 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2006 Harley Davidson FLHRSI Road King Custom F/I 88 Ci
2006 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2005 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2005 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2005 Harley Davidson FXSTBI Night Train F/I 88 Ci
2005 Harley Davidson FXSTB Night Train 88 Ci
2005 Harley Davidson FXDXI Dyna Super Glide Sport F/I 88 Ci
2005 Harley Davidson FXDWGI Dyna Wide Glide F/I 88 Ci
2005 Harley Davidson FXDLI Dyna Low Rider F/I 88 Ci
2005 Harley Davidson FXDI Dyna Super Glide F/I 88 Ci
2005 Harley Davidson FXDCI Dyna Super Glide Custom F/I 88 Ci
2005 Harley Davidson FXDC Dyna Super Glide Custom 88 Ci
2005 Harley Davidson FXD Dyna Super Glide 88 Ci
2005 Harley Davidson FLTRI Road Glide F/I 88 Ci
2005 Harley Davidson FLSTNI Softail Deluxe F/I 88 Ci
2005 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2005 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2005 Harley Davidson FLSTC Heritage Softail Classic 88 Ci
2005 Harley Davidson FLHTI Electra Glide Standard F/I 88 Ci
2005 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2005 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2005 Harley Davidson FLHRSI Road King Custom F/I 88 Ci
2005 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2004 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2004 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2004 Harley Davidson FXSTBI Night Train F/I 88 Ci
2004 Harley Davidson FXSTB Night Train 88 Ci
2004 Harley Davidson FXDXI Dyna Super Glide Sport F/I 88 Ci
2004 Harley Davidson FXDWGI Dyna Wide Glide F/I 88 Ci
2004 Harley Davidson FXDLI Dyna Low Rider F/I 88 Ci
2004 Harley Davidson FXDI Dyna Super Glide F/I 88 Ci
2004 Harley Davidson FXD Dyna Super Glide 88 Ci
2004 Harley Davidson FLTRI Road Glide F/I 88 Ci
2004 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2004 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2004 Harley Davidson FLHTI Electra Glide Standard F/I 88 Ci
2004 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2004 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2004 Harley Davidson FLHRSI Road King Custom F/I 88 Ci
2004 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2003 Harley Davidson FXSTSI Springer Softail F/I 88 Ci
2003 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2003 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2003 Harley Davidson FXSTBI Night Train F/I 88 Ci
2003 Harley Davidson FXSTB Night Train 88 Ci
2003 Harley Davidson FLTRI Road Glide F/I 88 Ci
2003 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2003 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2003 Harley Davidson FLHTI Electra Glide Standard F/I 88 Ci
2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2003 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2003 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2002 Harley Davidson FXSTSI Springer Softail F/I 88 Ci
2002 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2002 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2002 Harley Davidson FXSTBI Night Train F/I 88 Ci
2002 Harley Davidson FXSTB Night Train 88 Ci
2002 Harley Davidson FLTRI Road Glide F/I 88 Ci
2002 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2002 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2002 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2002 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2002 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2001 Harley Davidson FXSTSI Springer Softail F/I 88 Ci
2001 Harley Davidson FXSTI Softail Standard F/I 88 Ci
2001 Harley Davidson FXSTDI Softail Deuce F/I 88 Ci
2001 Harley Davidson FXSTBI Night Train F/I 88 Ci
2001 Harley Davidson FXSTB Night Train 88 Ci
2001 Harley Davidson FLTRI Road Glide F/I 88 Ci
2001 Harley Davidson FLSTFI Fat Boy F/I 88 Ci
2001 Harley Davidson FLSTCI Heritage Softail Classic F/I 88 Ci
2001 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2001 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2001 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
2000 Harley Davidson FLTRI Road Glide F/I 88 Ci
2000 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
2000 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
2000 Harley Davidson FLHRCI Road King Classic F/I 88 Ci
1999 Harley Davidson FLTRI Road Glide F/I 88 Ci
1999 Harley Davidson FLHTCUI Electra Glide Ultra Classic F/I 88 Ci
1999 Harley Davidson FLHTCI Electra Glide Classic F/I 88 Ci
1999 Harley Davidson FLHRCI Road King Classic F/I 88 Ci

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.



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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.

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