Arlen Ness Velocity 90 Chrome Air Cleaner Filter Kit 1999-2017 Harley Softail Option 1 is to use

Option 1 is to use the 1/8​"​ NPT breather vent fitting with internal porous filter element (this option gives a clean look

Classic look

2004-2006 1200 Roadster XLR 2004-2006 883 XL 2004-2006 1200 Custom XLC 2004-2006 883 Custom XLC 2004-2006 883 Custom EFI XLC 2004-2006 1200 Custom EFI XLC 2005-2006 883 Low XLL 2005-2007 883 Roadster XLR 2007 Sportster 1200 XL 50 2007 883 Roadster EFI XLR 2007-2008 883 EFI XL 2007-2008 1200 Roadster EFI XLR 2007-2009 883 Custom EFI XLC 2007-2010 1200 Custom EFI XLC 2007-2010 883 Low EFI XLL 2007-2011 1200 Low EFI XLL 2007-2012 1200 Nightster XLN 2009-2020 Iron 883 XLN 2010-2020 Sportster Forty-Eight XLX 2011-2019 883 SuperLow XLL 2011-2019 1200 Custom EFI XLC 2014-2017 SuperLow 1200 XLT 2016 Sportster Seventy-Two XLV 2016-2020 1200 Roadster XLCX

Produces solid bottom-end performance and substantial gains above 2800 rpm compared to the stock cams

Arlen Ness Velocity 90 Chrome Air Cleaner Filter Kit 1999-2017 Harley Softail Option 1 is to useFeatures Hidden breathers are o ringed at the heads and exit at the mouth of the throttle body carb to provide efficient engine breathing in a virtually closed loop system, eliminating the need for any external hoses or hardware Built in inverted top to pull in air not only from the sides of the filter but also the front, for more performance gaining airflow Aggressive short length intake tube engineered to significantly increase airflow without