Arlen Ness® Big Sucker™ Air Filter Kit Accepts 8" Round Aftermarket Covers Only 18505

Fits 99-17 Harley Twin Cam (Exc. FBW and 99-01 FI FLT). See below for fitment details.

Features:

• Each hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware
• Standard red filters are pre-oiled, washable and feature four layers of surgical grade cotton for optimum filtration and maximum airflow
• Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash and re-use
• Radius air inlet provides maximum performance by providing unobstructed airflow
• One-piece aluminum backing plate features patented hidden breather technology
• Stage I kit accepts OEM outer cover (unless noted) or custom Ness outer cover
• All necessary hardware and instructions are included with each kit

Finish:

• Natural / Silver / Chrome

Fitment:

• 2013-2015 Harley-Davidson Breakout FXSB
• 2012-2015 Harley-Davidson Softail Slim FLS
• 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
• 2012-2015 Harley-Davidson Fat Boy Lo FLSTFB
• 2012-2013 Harley-Davidson Blackline FXS
• 2011 Harley-Davidson Blackline FXS
• 2010-2011 Harley-Davidson Fat Boy Lo FLSTFB
• 2008-2011 Harley-Davidson Softail Cross Bones FLSTSB
• 2008-2010 Harley-Davidson Softail Rocker C FXCWC
• 2008-2009 Harley-Davidson Softail Rocker FXCW
• 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 Custom EFI FLHRS
• 2007 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
• 2007 Harley-Davidson Super Glide Custom EFI FXDCI
• 2007 Harley-Davidson Road Glide EFI FLTR
• 2007 Harley-Davidson Super Glide EFI FXDI
• 2007 Harley-Davidson Wide Glide EFI FXDWGI
• 2007 Harley-Davidson Road King EFI FLHR
• 2007 Harley-Davidson Street Glide EFI FLHX
• 2007 Harley-Davidson Street Bob FXDB
• 2007 Harley-Davidson Softail Deuce EFI FXSTDI
• 2007 Harley-Davidson Low Rider EFI FXDL
• 2007 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2007 Harley-Davidson Softail Standard EFI FXSTI
• 2006 Harley-Davidson Street Bob FXDB
• 2006 Harley-Davidson Street Glide FLHX
• 2006 Harley-Davidson Super Glide FXD35
• 2006 Harley-Davidson Street Glide EFI FLHX
• 2006 Harley-Davidson Softail Heritage EFI FLSTI
• 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 Springer FXSTS
• 2006 Harley-Davidson Softail Night Train FXSTB
• 2006 Harley-Davidson Softail Standard EFI FXSTI
• 2006 Harley-Davidson Super Glide EFI FXDI
• 2006 Harley-Davidson Softail Heritage FLST
• 2006 Harley-Davidson Wide Glide EFI FXDWGI
• 2006 Harley-Davidson Super Glide Custom EFI FXDCI
• 2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
• 2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI
• 2005-2006 Harley-Davidson Softail Deluxe FLSTN
• 2005-2006 Harley-Davidson Softail Springer Classic FLSTSC
• 2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
• 2005 Harley-Davidson Super Glide Custom FXDC
• 2005 Harley-Davidson Super Glide Custom EFI FXDCI
• 2004-2006 Harley-Davidson Road King Custom EFI FLHRS
• 2004-2006 Harley-Davidson Road King Custom FLHRS
• 2004-2006 Harley-Davidson Electra Glide Standard FLHT
• 2004-2006 Harley-Davidson Road King Classic EFI FLHRC
• 2004-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2004-2006 Harley-Davidson Road King FLHR
• 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 Softail Fat Boy EFI FLSTFI
• 2004-2006 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2004-2006 Harley-Davidson Road Glide EFI FLTR
• 2004-2005 Harley-Davidson Super Glide EFI FXDI
• 2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI
• 2004-2005 Harley-Davidson Electra Glide Classic FLHTC
• 2004-2005 Harley-Davidson Wide Glide EFI FXDWGI
• 2003-2005 Harley-Davidson Softail Night Train EFI FXSTBI
• 2003-2005 Harley-Davidson Softail Springer FXSTS
• 2003-2005 Harley-Davidson Softail Night Train FXSTB
• 2003-2005 Harley-Davidson Softail Springer EFI FXSTSI
• 2003-2005 Harley-Davidson Softail Standard FXST
• 2003-2005 Harley-Davidson Softail Standard EFI FXSTI
• 2003 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
• 2003 Harley-Davidson Softail Heritage Springer FLSTS
• 2002-2005 Harley-Davidson Wide Glide FXDWG
• 2002-2005 Harley-Davidson Low Rider FXDL
• 2002-2005 Harley-Davidson Super Glide FXD
• 2002-2003 Harley-Davidson Road King Classic EFI FLHRC
• 2002-2003 Harley-Davidson Road Glide EFI FLTR
• 2002-2003 Harley-Davidson Electra Glide Classic EFI FLHTCI
• 2002-2003 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI
• 2001-2003 Harley-Davidson Softail Heritage Classic EFI FLSTCI
• 2001-2003 Harley-Davidson Super Glide T-Sport FXDXT
• 2001-2002 Harley-Davidson Softail Standard EFI FXSTI
• 2001-2002 Harley-Davidson Softail Springer EFI FXSTSI
• 2001-2002 Harley-Davidson Softail Night Train EFI FXSTBI
• 2001-2002 Harley-Davidson Softail Heritage Springer EFI FLSTSI
• 2001 Harley-Davidson Softail Fat Boy EFI FLSTFI
• 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 Springer FXSTS
• 2000-2002 Harley-Davidson Softail Night Train FXSTB
• 2000-2002 Harley-Davidson Softail Standard FXST
• 2000-2002 Harley-Davidson Softail Heritage Springer FLSTS
• 1999-2005 Harley-Davidson Super Glide Sport FXDX
• 1999-2003 Harley-Davidson Road King FLHR
• 1999-2003 Harley-Davidson Electra Glide Standard FLHT
• 1999-2003 Harley-Davidson Electra Glide Classic FLHTC
• 1999-2002 Harley-Davidson Road Glide FLTR
• 1999-2001 Harley-Davidson Wide Glide FXDWG
• 1999-2001 Harley-Davidson Low Rider FXDL
• 1999-2001 Harley-Davidson Super Glide FXD
• 1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV
• 1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU