{"product_id":"k-n-oval-red-9in-intake-system-for-harley-davidson","title":"K\u0026N Oval Red 9in Intake System for Harley-Davidson","description":"K\u0026amp;N's RK Series was developed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K\u0026amp;N High-Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover. The RK-3910-1 comes with a larger air filter and longer spacers than the RK-3909-1.\nThe latest addition to K\u0026amp;N's RK Series was developed to get more horsepower from your Twin Cam Harley-Davidson engine. Provides a significant airflow increase to the engine without sacrificing filtration.\n\u003cul\u003e\n  \u003cli\u003eExcellent air filtration\u003c\/li\u003e\n  \u003cli\u003eLarge Capacity 2-1\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FLHR Road King Base 1999\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2000\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2001\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2002\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2003\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2004\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2005\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2006\u003cbr\u003e\nHarley Davidson FLHR Road King Base 2007\u003cbr\u003e\nHarley Davidson FLHRC Road King Classic Base 2007\u003cbr\u003e\nHarley Davidson FLHRCI Road King Classic Base 2002\u003cbr\u003e\nHarley Davidson FLHRCI Road King Classic Base 2003\u003cbr\u003e\nHarley Davidson FLHRCI Road King Classic Base 2004\u003cbr\u003e\nHarley Davidson FLHRCI Road King Classic Base 2005\u003cbr\u003e\nHarley Davidson FLHRCI Road King Classic Base 2006\u003cbr\u003e\nHarley Davidson FLHRI Road King Base 2003\u003cbr\u003e\nHarley Davidson FLHRI Road King Base 2004\u003cbr\u003e\nHarley Davidson FLHRI Road King Base 2005\u003cbr\u003e\nHarley Davidson FLHRI Road King Base 2006\u003cbr\u003e\nHarley Davidson FLHRS Road King Custom Base 2004\u003cbr\u003e\nHarley Davidson FLHRS Road King Custom Base 2005\u003cbr\u003e\nHarley Davidson FLHRS Road King Custom Base 2006\u003cbr\u003e\nHarley Davidson FLHRS Road King Custom Base 2007\u003cbr\u003e\nHarley Davidson FLHRSI Road King Custom Base 2004\u003cbr\u003e\nHarley Davidson FLHRSI Road King Custom Base 2005\u003cbr\u003e\nHarley Davidson FLHRSI Road King Custom Base 2006\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 1999\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2000\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2001\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2002\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2003\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2004\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2005\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2006\u003cbr\u003e\nHarley Davidson FLHT Electra Glide Standard Base 2007\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 1999\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2000\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2001\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2002\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2003\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2004\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2005\u003cbr\u003e\nHarley Davidson FLHTC Electra Glide Classic Base 2007\u003cbr\u003e\nHarley Davidson FLHTCI Electra Glide Classic Base 2002\u003cbr\u003e\nHarley Davidson FLHTCI Electra Glide Classic Base 2003\u003cbr\u003e\nHarley Davidson FLHTCI Electra Glide Classic Base 2004\u003cbr\u003e\nHarley Davidson FLHTCI Electra Glide Classic Base 2005\u003cbr\u003e\nHarley Davidson FLHTCI Electra Glide Classic Base 2006\u003cbr\u003e\nHarley Davidson FLHTCU Electra Glide Ultra Classic Base 2007\u003cbr\u003e\nHarley Davidson FLHTCUI Electra Glide Ultra Classic Base 2002\u003cbr\u003e\nHarley Davidson FLHTCUI Electra Glide Ultra Classic Base 2003\u003cbr\u003e\nHarley Davidson FLHTCUI Electra Glide Ultra Classic Base 2004\u003cbr\u003e\nHarley Davidson FLHTCUI Electra Glide Ultra Classic Base 2005\u003cbr\u003e\nHarley Davidson FLHTCUI Electra Glide Ultra Classic Base 2006\u003cbr\u003e\nHarley Davidson FLHTI Electra Glide Standard Base 2003\u003cbr\u003e\nHarley Davidson FLHTI Electra Glide Standard Base 2004\u003cbr\u003e\nHarley Davidson FLHTI Electra Glide Standard Base 2005\u003cbr\u003e\nHarley Davidson FLHTI Electra Glide Standard Base 2006\u003cbr\u003e\nHarley Davidson FLHX Street Glide Base 2006\u003cbr\u003e\nHarley Davidson FLHX Street Glide Base 2007\u003cbr\u003e\nHarley Davidson FLHXI Street Glide Base 2006\u003cbr\u003e\nHarley Davidson FLST Heritage Softail Base 2006\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2000\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2001\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2002\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2003\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2004\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2005\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2006\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2007\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2008\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2009\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2010\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2011\u003cbr\u003e\nHarley Davidson FLSTC Heritage Softail Classic Base 2012\u003cbr\u003e\nHarley Davidson FLSTCI Heritage Softail Classic Base 2002\u003cbr\u003e\nHarley Davidson FLSTCI Heritage Softail Classic Base 2003\u003cbr\u003e\nHarley Davidson FLSTCI Heritage Softail Classic Base 2004\u003cbr\u003e\nHarley Davidson FLSTCI Heritage Softail Classic Base 2005\u003cbr\u003e\nHarley Davidson FLSTCI Heritage Softail Classic Base 2006\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2000\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2001\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2002\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2003\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2004\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2005\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2006\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2007\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2008\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2009\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2010\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2011\u003cbr\u003e\nHarley Davidson FLSTF Fat Boy Base 2012\u003cbr\u003e\nHarley Davidson FLSTFB Fat Boy Lo Base 2010\u003cbr\u003e\nHarley Davidson FLSTFB Fat Boy Lo Base 2011\u003cbr\u003e\nHarley Davidson FLSTFB Fat Boy Lo Base 2012\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2001\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2002\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2003\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2004\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2005\u003cbr\u003e\nHarley Davidson FLSTFI Fat Boy Base 2006\u003cbr\u003e\nHarley Davidson FLSTI Heritage Softail Base 2006\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2005\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2006\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2007\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2008\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2009\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2010\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2011\u003cbr\u003e\nHarley Davidson FLSTN Softail Deluxe Base 2012\u003cbr\u003e\nHarley Davidson FLSTNI Softail Deluxe Base 2005\u003cbr\u003e\nHarley Davidson FLSTNI Softail Deluxe Base 2006\u003cbr\u003e\nHarley Davidson FLSTS Heritage Springer Base 2000\u003cbr\u003e\nHarley Davidson FLSTS Heritage Springer Base 2001\u003cbr\u003e\nHarley Davidson FLSTS Heritage Springer Base 2002\u003cbr\u003e\nHarley Davidson FLSTS Heritage Springer Base 2003\u003cbr\u003e\nHarley Davidson FLSTSC Softail Springer Classic Base 2005\u003cbr\u003e\nHarley Davidson FLSTSC Softail Springer Classic Base 2006\u003cbr\u003e\nHarley Davidson FLSTSC Softail Springer Classic Base 2007\u003cbr\u003e\nHarley Davidson FLSTSCI Softail Springer Classic Base 2005\u003cbr\u003e\nHarley Davidson FLSTSCI Softail Springer Classic Base 2006\u003cbr\u003e\nHarley Davidson FLSTSI Heritage Springer Base 2001\u003cbr\u003e\nHarley Davidson FLSTSI Heritage Springer Base 2002\u003cbr\u003e\nHarley Davidson FLSTSI Heritage Springer Base 2003\u003cbr\u003e\nHarley Davidson FLTR Road Glide Base 1999\u003cbr\u003e\nHarley Davidson FLTR Road Glide Base 2000\u003cbr\u003e\nHarley Davidson FLTR Road Glide Base 2001\u003cbr\u003e\nHarley Davidson FLTR Road Glide Base 2002\u003cbr\u003e\nHarley Davidson FLTR Road Glide Base 2007\u003cbr\u003e\nHarley Davidson FLTRI Road Glide Base 2002\u003cbr\u003e\nHarley Davidson FLTRI Road Glide Base 2003\u003cbr\u003e\nHarley Davidson FLTRI Road Glide Base 2004\u003cbr\u003e\nHarley Davidson FLTRI Road Glide Base 2005\u003cbr\u003e\nHarley Davidson FLTRI Road Glide Base 2006\u003cbr\u003e\nHarley Davidson FLTRX Road Glide Custom Base 2010\u003cbr\u003e\nHarley Davidson FLTRX Road Glide Custom Base 2011\u003cbr\u003e\nHarley Davidson FXCW Rocker Base 2008\u003cbr\u003e\nHarley Davidson FXCW Rocker Base 2009\u003cbr\u003e\nHarley Davidson FXCWC Rocker C Base 2008\u003cbr\u003e\nHarley Davidson FXCWC Rocker C Base 2009\u003cbr\u003e\nHarley Davidson FXCWC Rocker C Base 2010\u003cbr\u003e\nHarley Davidson FXCWC Rocker C Base 2011\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 1999\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2000\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2001\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2002\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2003\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2004\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2005\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2006\u003cbr\u003e\nHarley Davidson FXD Dyna Super Glide Base 2007\u003cbr\u003e\nHarley Davidson FXDB Street Bob Base 2007\u003cbr\u003e\nHarley Davidson FXDBI Street Bob Base 2006\u003cbr\u003e\nHarley Davidson FXDC Super Glide Custom Base 2005\u003cbr\u003e\nHarley Davidson FXDC Super Glide Custom Base 2007\u003cbr\u003e\nHarley Davidson FXDCI Super Glide Custom Base 2005\u003cbr\u003e\nHarley Davidson FXDCI Super Glide Custom Base 2006\u003cbr\u003e\nHarley Davidson FXDI Dyna Super Glide Base 2004\u003cbr\u003e\nHarley Davidson FXDI Dyna Super Glide Base 2005\u003cbr\u003e\nHarley Davidson FXDI Dyna Super Glide Base 2006\u003cbr\u003e\nHarley Davidson FXDI35 Dyna 35th Anniversary Super Glide Base 2006\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 1999\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2000\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2001\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2002\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2003\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2004\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2005\u003cbr\u003e\nHarley Davidson FXDL Dyna Low Rider Base 2007\u003cbr\u003e\nHarley Davidson FXDLI Dyna Low Rider Base 2004\u003cbr\u003e\nHarley Davidson FXDLI Dyna Low Rider Base 2005\u003cbr\u003e\nHarley Davidson FXDLI Dyna Low Rider Base 2006\u003cbr\u003e\nHarley Davidson FXDS-Conv Dyna Convertible Base 1999\u003cbr\u003e\nHarley Davidson FXDS-Conv Dyna Convertible Base 2000\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 1999\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2000\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2001\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2002\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2003\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2004\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2005\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2006\u003cbr\u003e\nHarley Davidson FXDWG Dyna Wide Glide Base 2007\u003cbr\u003e\nHarley Davidson FXDWGI Dyna Wide Glide Base 2004\u003cbr\u003e\nHarley Davidson FXDWGI Dyna Wide Glide Base 2005\u003cbr\u003e\nHarley Davidson FXDWGI Dyna Wide Glide Base 2006\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 1999\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 2000\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 2001\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 2002\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 2003\u003cbr\u003e\nHarley Davidson FXDX Dyna Super Glide Sport Base 2004\u003cbr\u003e\nHarley Davidson FXDXI Dyna Super Glide Sport Base 2004\u003cbr\u003e\nHarley Davidson FXDXI Dyna Super Glide Sport Base 2005\u003cbr\u003e\nHarley Davidson FXDXT Dyna Super Glide T-Sport Base 2001\u003cbr\u003e\nHarley Davidson FXDXT Dyna Super Glide T-Sport Base 2002\u003cbr\u003e\nHarley Davidson FXDXT Dyna Super Glide T-Sport Base 2003\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2000\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2001\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2002\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2003\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2004\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2005\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2006\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2007\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2008\u003cbr\u003e\nHarley Davidson FXST Softail Standard Base 2009\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2000\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2001\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2002\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2003\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2004\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2005\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2006\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2007\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2008\u003cbr\u003e\nHarley Davidson FXSTB Night Train Base 2009\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2001\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2002\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2003\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2004\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2005\u003cbr\u003e\nHarley Davidson FXSTBI Night Train Base 2006\u003cbr\u003e\nHarley Davidson FXSTC Softail Custom Base 2007\u003cbr\u003e\nHarley Davidson FXSTC Softail Custom Base 2008\u003cbr\u003e\nHarley Davidson FXSTC Softail Custom Base 2009\u003cbr\u003e\nHarley Davidson FXSTC Softail Custom Base 2010\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2000\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2001\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2002\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2003\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2004\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2005\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2006\u003cbr\u003e\nHarley Davidson FXSTD Softail Deuce Base 2007\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2001\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2002\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2003\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2004\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2005\u003cbr\u003e\nHarley Davidson FXSTDI Softail Deuce Base 2006\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2001\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2002\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2003\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2004\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2005\u003cbr\u003e\nHarley Davidson FXSTI Softail Standard Base 2006\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2000\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2001\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2002\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2003\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2004\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2005\u003cbr\u003e\nHarley Davidson FXSTS Springer Softail Base 2006\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2001\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2002\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2003\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2004\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2005\u003cbr\u003e\nHarley Davidson FXSTSI Springer Softail Base 2006","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":54632758673780,"sku":"RK-3910-1","price":314.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4365\/8612\/files\/095d9ca6ae8458794603fa348261f77f.jpg?v=1779310381","url":"https:\/\/downeastoffroad.com\/products\/k-n-oval-red-9in-intake-system-for-harley-davidson","provider":"Down East Offroad ","version":"1.0","type":"link"}