Arlen Ness® Big Sucker™ Stage I Air Filter Kit with Cover in Knuckle Black 18751

Fits 99-17 Harley Twin Cam (Exc. FBW). See below for full fitment details.

Features:

• Features a one-piece aluminum backing plate/carb support bracket with patented hidden breather technology and radius air inlet
• Breather passages exit at the mouth of the carburetor/throttle body, creating a virtually closed-loop system
• Kit includes high-performance filter, backing plate and steel outer cover
• All necessary hardware and instructions are included with each kit

Finish:

• Black

Fitment:

• 2012-2015 Harley-Davidson Softail Deluxe EFI FLSTNI
• 2012-2015 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 2012-2015 Harley-Davidson Softail Heritage Classic EFI FLSTCI
• 2007-2012 Harley-Davidson Softail Standard EFI FXSTI
• 2007-2011 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 2007-2011 Harley-Davidson Softail Heritage Classic EFI FLSTCI
• 2007-2011 Harley-Davidson Softail Deluxe EFI FLSTNI
• 2007-2010 Harley-Davidson Softail Custom EFI FXSTC
• 2007-2009 Harley-Davidson Softail Night Train EFI FXSTBI
• 2007 Harley-Davidson Road King EFI FLHR
• 2007 Harley-Davidson Street Glide EFI FLHX
• 2007 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2007 Harley-Davidson Road Glide EFI FLTR
• 2007 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2007 Harley-Davidson Road King Custom EFI FLHRS
• 2007 Harley-Davidson Road King Classic EFI FLHRC
• 2007 Harley-Davidson Softail Deuce EFI FXSTDI
• 2006 Harley-Davidson Street Glide FLHX
• 2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2
• 2006 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE
• 2006 Harley-Davidson Street Glide EFI FLHX
• 2006 Harley-Davidson Softail Heritage EFI FLSTI
• 2006 Harley-Davidson Softail Springer FXSTS
• 2006 Harley-Davidson Softail Night Train FXSTB
• 2006 Harley-Davidson Softail Night Train EFI FXSTBI
• 2006 Harley-Davidson Softail Standard FXST
• 2006 Harley-Davidson Softail Springer EFI FXSTSI
• 2006 Harley-Davidson Softail Standard EFI FXSTI
• 2006 Harley-Davidson Softail Heritage FLST
• 2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
• 2005-2006 Harley-Davidson Softail Springer Classic FLSTSC
• 2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI
• 2005-2006 Harley-Davidson Softail Deluxe FLSTN
• 2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
• 2005 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE2
• 2005 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE
• 2004-2007 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
• 2004-2007 Harley-Davidson Electra Glide Police FLHTPI
• 2004-2006 Harley-Davidson Road King Custom FLHRS
• 2004-2006 Harley-Davidson Road King Custom EFI FLHRS
• 2004-2006 Harley-Davidson Electra Glide Classic FLHTC
• 2004-2006 Harley-Davidson Electra Glide Standard FLHT
• 2004-2006 Harley-Davidson Road King FLHR
• 2004-2006 Harley-Davidson Road Glide FLTR
• 2004-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2004-2006 Harley-Davidson Electra Glide Ultra Classic FLHTCU
• 2004-2006 Harley-Davidson Road King EFI FLHR
• 2004-2006 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 2004-2006 Harley-Davidson Road King Classic EFI FLHRC
• 2004-2006 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2004-2006 Harley-Davidson Road Glide EFI FLTR
• 2004-2006 Harley-Davidson Softail Heritage Classic FLSTC
• 2004-2006 Harley-Davidson Softail Fat Boy FLSTF
• 2004-2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI
• 2004-2006 Harley-Davidson Electra Glide Police FLHTP
• 2004 Harley-Davidson Screamin' Eagle Deuce FXSTDSE2
• 2004 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE
• 2003-2005 Harley-Davidson Softail Springer EFI FXSTSI
• 2003-2005 Harley-Davidson Softail Standard FXST
• 2003-2005 Harley-Davidson Softail Standard EFI FXSTI
• 2003-2005 Harley-Davidson Softail Night Train EFI FXSTBI
• 2003-2005 Harley-Davidson Softail Springer FXSTS
• 2003-2005 Harley-Davidson Softail Night Train FXSTB
• 2003 Harley-Davidson Screamin' Eagle Deuce FXSTDSE
• 2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
• 2003 Harley-Davidson Softail Heritage Springer FLSTS
• 2002-2003 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 2002 Harley-Davidson Screamin' Eagle Road King FLHRSE-I
• 2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI
• 2001-2003 Harley-Davidson Road Glide EFI FLTR
• 2001-2003 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2001-2003 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2001-2003 Harley-Davidson Road King Classic EFI FLHRC
• 2001-2003 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
• 2001-2003 Harley-Davidson Softail Heritage Classic EFI FLSTCI
• 2001-2003 Harley-Davidson Road King EFI FLHR
• 2001-2003 Harley-Davidson Electra Glide Police FLHTPI
• 2001-2002 Harley-Davidson Softail Standard EFI FXSTI
• 2001-2002 Harley-Davidson Softail Night Train EFI FXSTBI
• 2001-2002 Harley-Davidson Softail Heritage Springer EFI FLSTSI
• 2001-2002 Harley-Davidson Softail Springer EFI FXSTSI
• 2000-2006 Harley-Davidson Softail Deuce FXSTD
• 2000-2003 Harley-Davidson Softail Heritage Classic FLSTC
• 2000-2003 Harley-Davidson Softail Fat Boy FLSTF
• 2000-2002 Harley-Davidson Softail Standard FXST
• 2000-2002 Harley-Davidson Softail Night Train FXSTB
• 2000-2002 Harley-Davidson Softail Springer FXSTS
• 2000-2002 Harley-Davidson Softail Heritage Springer FLSTS
• 1999-2003 Harley-Davidson Road King FLHR
• 1999-2003 Harley-Davidson Electra Glide Classic FLHTC
• 1999-2003 Harley-Davidson Road Glide FLTR
• 1999-2003 Harley-Davidson Electra Glide Police FLHTP
• 1999-2003 Harley-Davidson Electra Glide Ultra Classic FLHTCU
• 1999-2003 Harley-Davidson Electra Glide Standard FLHT
• 1999 Harley-Davidson Softail Heritage Springer FLSTS
• 1999 Harley-Davidson Softail Night Train FXSTB
• 1999 Harley-Davidson Softail Springer FXSTS
• 1999 Harley-Davidson Softail Custom FXSTC
• 1999 Harley-Davidson Softail Standard FXST
• 1999 Harley-Davidson Softail Fat Boy FLSTF
• 1999 Harley-Davidson Softail Heritage Classic FLSTC