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Enhance your Harley's performance with improved airflow and throttle response.
The K & N Filters Cold Air Intake System is engineered for select Harley-Davidson Touring, Softail, Twin-Cam, and Sportster motorcycle models. This system replaces the restrictive stock air cleaner with a high-flow air filter and a polished aluminum intake tube, designed to significantly increase horsepower and improve throttle response. The mandrel bent aluminum tube ensures optimal airflow, while the included billet aluminum throttle-body mounting plate provides a secure fit.
This intake system features a washable and reusable lifetime air filter made from high-quality cotton gauze, allowing for up to 100,000 miles of service before maintenance is required, depending on driving conditions. The installation process is straightforward, typically taking 90 minutes or less, making it accessible for most motorcycle enthusiasts. Additionally, this product is street legal in all 50 states, ensuring compliance with regulations while enhancing your motorcycle's performance.
Features
- Guaranteed To Increase Horsepower
- Designed To Improve Throttle Response And Engine Sound
- Aluminum Tube With High Quality Finish
- Washable And Reusable Lifetime Air Filter
- Street Legal In All 50 States
- Lasts Up To 100,000 Miles Before Service Is Required (Depending On Driving Conditions)
- Easy To Install, Usually In 90 Minutes Or Less
Specifications
- Manufacturer: K & N Filters
- Manufacturer Part Number: 57-1125P
- Recommended Use: Street
- Tube Finish: Polished
- Tube Color: Silver
- Tube Material: Aluminum
- Filter Color: Red
- Estimated Install Time (Hours): 1
- Filter Material: Cotton Gauze
- Protection Type: No Protection
Compatibility / Fit
- 2012-2016 Harley Davidson FLD Switchback
- 2007-2007 Harley Davidson FLHR Road King
- 2007-2007 Harley Davidson FLHRC Road King Classic
- 2002-2006 Harley Davidson FLHRCI Road King Classic
- 2003-2006 Harley Davidson FLHRI Road King
- 2007-2007 Harley Davidson FLHRS Road King Custom
- 2004-2006 Harley Davidson FLHRSI Road King Custom
- 2007-2007 Harley Davidson FLHT Electra Glide Standard
- 2007-2007 Harley Davidson FLHTC Electra Glide Classic
- 2002-2006 Harley Davidson FLHTCI Electra Glide Classic
- 2007-2007 Harley Davidson FLHTCU Electra Glide Ultra Classic
- 2002-2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic
- 2003-2006 Harley Davidson FLHTI Electra Glide Standard
- 2007-2007 Harley Davidson FLHX Street Glide
- 2006-2006 Harley Davidson FLHXI Street Glide
- 2012-2015 Harley Davidson FLS Softail Slim
- 2007-2015 Harley Davidson FLSTC Heritage Softail Classic
- 2002-2006 Harley Davidson FLSTCI Heritage Softail Classic
- 2007-2015 Harley Davidson FLSTF Fat Boy
- 2010-2015 Harley Davidson FLSTFB Fat Boy Lo
- 2001-2006 Harley Davidson FLSTFI Fat Boy
- 2006-2006 Harley Davidson FLSTI Heritage Softail
- 2007-2015 Harley Davidson FLSTN Softail Deluxe
- 2005-2006 Harley Davidson FLSTNI Softail Deluxe
- 2008-2011 Harley Davidson FLSTSB Cross Bones
- 2007-2007 Harley Davidson FLSTSC Softail Springer Classic
- 2005-2006 Harley Davidson FLSTSCI Softail Springer Classic
- 2001-2003 Harley Davidson FLSTSI Heritage Springer
- 2007-2007 Harley Davidson FLTR Road Glide
- 2002-2006 Harley Davidson FLTRI Road Glide
- 2008-2009 Harley Davidson FXCW Rocker
- 2008-2011 Harley Davidson FXCWC Rocker C
- 2007-2010 Harley Davidson FXD Dyna Super Glide
- 2007-2017 Harley Davidson FXDB Street Bob
- 2006-2006 Harley Davidson FXDBI Street Bob
- 2007-2014 Harley Davidson FXDC Super Glide Custom
- 2005-2006 Harley Davidson FXDCI Super Glide Custom
- 2008-2017 Harley Davidson FXDF Fat Bob
- 2004-2006 Harley Davidson FXDI Dyna Super Glide
- 2006-2006 Harley Davidson FXDI35 Dyna 35th Anniversary Super Glide
- 2007-2009 Harley Davidson FXDL Dyna Low Rider
- 2014-2017 Harley Davidson FXDL Low Rider
- 2004-2006 Harley Davidson FXDLI Dyna Low Rider
- 2017-2017 Harley Davidson FXDLS Low Rider S
- 2007-2008 Harley Davidson FXDWG Dyna Wide Glide
- 2010-2017 Harley Davidson FXDWG Dyna Wide Glide
- 2004-2006 Harley Davidson FXDWGI Dyna Wide Glide
- 2004-2005 Harley Davidson FXDXI Dyna Super Glide Sport
- 2011-2013 Harley Davidson FXS Blackline
- 2014-2015 Harley Davidson FXSB Breakout
- 2007-2007 Harley Davidson FXST Softail Standard
- 2007-2009 Harley Davidson FXSTB Night Train
- 2001-2006 Harley Davidson FXSTBI Night Train
- 2007-2010 Harley Davidson FXSTC Softail Custom
- 2007-2007 Harley Davidson FXSTD Softail Deuce
- 2001-2006 Harley Davidson FXSTDI Softail Deuce
- 2001-2006 Harley Davidson FXSTI Softail Standard
- 2001-2006 Harley Davidson FXSTSI Springer Softail
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
