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K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System K&N Engineering KNN57-1137
K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System K&N Engineering KNN57-1137
K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System K&N Engineering KNN57-1137
K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System K&N Engineering KNN57-1137
K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System K&N Engineering KNN57-1137
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K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System

KNN57-1137
024844368508
Cold Air Intakes
Out of stock
$ 300.00 $ 262.99

SKU: 57-1137 | UPC: 024844368508

K&N 2001-2017 Harley Davidson Softail Dyna FI Performance Air Intake System

K&N 57-1137 Performance Air Intake System delivers increased airflow to 2001-2017 Harley-Davidson Softail Dyna and compatible FI Twin Cam models by replacing the restrictive stock OE air cleaner. This complete system includes a high-flow washable air filter cast aluminum intake tube and throttle-body mounting plate for guaranteed horsepower gains. It enhances throttle response provides a deeper engine sound and adds an aggressive look with built-in breathers.

Key Features

  • High-Flow Air Filter: Washable reusable K&N cotton filter lasts up to 100000 miles before service depending on conditions while protecting the engine and boosting performance
  • Cast Aluminum Intake Tube: High-performance design eliminates restrictions for maximum airflow and power delivery
  • Built-in Breathers: Replaces external OE breathers for a cleaner setup and improved air induction
  • Integrated Velocity Stack: Optimizes air velocity into the throttle body for sharper throttle response
  • Easy Installation: Completes in 90 minutes or less with included die-cast aluminum mounting plate and hardware

Product Notes

  • Enhances engine sound and provides distinctive aggressive appearance
  • Filter requires cleaning based on riding conditions up to 100000 miles
  • Packaged for secure shipping with protective materials

Installation Notes

  • Professional installation recommended.
  • Basic hand tools required typically 90 minutes or less
  • Direct bolt-on fit with provided mounting hardware and throttle-body plate

This Part Fits

Year Make Model Submodel
2002-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2007 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2002-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2002-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2007-2015 Harley-Davidson FLSTF Fat Boy Base
2010-2015 Harley-Davidson FLSTFB Fat Boy Lo Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
2002-2006 Harley-Davidson FLTRI Road Glide Base
2008-2009 Harley-Davidson FXCW Rocker Base
2008-2011 Harley-Davidson FXCWC Rocker C Base
2007-2010 Harley-Davidson FXD Dyna Super Glide Base
2007-2012 Harley-Davidson FXDB Street Bob Base
2004-2006 Harley-Davidson FXDI Dyna Super Glide Base
2006 Harley-Davidson FXDI35 Dyna 35th Anniversary Super Glide Base
2007-2009 Harley-Davidson FXDL Dyna Low Rider Base
2014-2017 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
2004-2005 Harley-Davidson FXDXI Dyna Super Glide Sport Base
2011-2013 Harley-Davidson FXS Blackline Base
2014-2015 Harley-Davidson FXSB Breakout Base
2006 Harley-Davidson FLSTI Heritage Softail Base
2007-2015 Harley-Davidson FLSTN Softail Deluxe Base
2005-2006 Harley-Davidson FLSTNI Softail Deluxe Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2006 Harley-Davidson FXDBI Street Bob Base
2007-2014 Harley-Davidson FXDC Super Glide Custom Base
2005-2006 Harley-Davidson FXDCI Super Glide Custom Base
2016-2017 Harley-Davidson FXDF Fat Bob Base
2007-2009 Harley-Davidson FXST Softail Standard Base
2007-2009 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2007-2010 Harley-Davidson FXSTC Softail Custom Base
2007 Harley-Davidson FLHRS Road King Custom Base
2004-2006 Harley-Davidson FLHRSI Road King Custom Base
2007 Harley-Davidson FLHT Electra Glide Standard Base
2007 Harley-Davidson FLHTC Electra Glide Classic Base
2007 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLHXI Street Glide Base
2012-2015 Harley-Davidson FLS Softail Slim Base
2007-2015 Harley-Davidson FLSTC Heritage Softail Classic Base
2007 Harley-Davidson FLSTSC Softail Springer Classic Base
2005-2006 Harley-Davidson FLSTSCI Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
2007 Harley-Davidson FLTR Road Glide Base
2007 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2001-2002 Harley-Davidson FXSTI Softail Standard Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
2012-2016 Harley-Davidson FLD Switchback Base
2007 Harley-Davidson FLHR Road King Base
2007 Harley-Davidson FLHRC Road King Classic Base
2002-2006 Harley-Davidson FLHRCI Road King Classic Base
2003-2006 Harley-Davidson FLHRI Road King Base
2014-2017 Harley-Davidson FXDL Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
2017 Harley-Davidson FXDLS Low Rider S Base
2007-2008 Harley-Davidson FXDWG Dyna Wide Glide Base
2010-2017 Harley-Davidson FXDWG Dyna Wide Glide Base

Why Choose K&N?

  • Engineered air intake systems with dyno-proven horsepower increases
  • Washable filters backed by million-mile limited warranty
  • Precision-machined components for exact fit on Harley-Davidson models

Frequently Asked Questions

  • Q: Will this fit my 2006 Harley-Davidson Dyna Super Glide FXD?
    A: Yes the 57-1137 fits 2006 FXD FXDI35 FXDL FXDWGI models with Delphi fuel injection
  • Q: What materials are used in the intake tube and filter?
    A: Cast aluminum tube for durability and K&N high-flow cotton gauze filter that is oiled washable and reusable
  • Q: What warranty covers this air intake system?
    A: K&N provides a No-Hassle Lifetime Warranty on the filter and a limited warranty on the system components

Shipping &amp. Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Ships in original box 22.2 in x 14.5 in x 9.8 in
  • Weight: 4.5 lbs

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