K & N Filters Cold Air Intake System (MPN: 57-1122P)

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 mandrel bent polished aluminum intake tube, designed to significantly increase airflow and horsepower. The included billet aluminum throttle-body mounting plate ensures a secure fit, while the high-quality finish of the aluminum tube enhances the aesthetic appeal of your motorcycle.

This intake system is designed to improve throttle response and engine sound, providing a more aggressive performance profile. The washable and reusable lifetime air filter can last up to 100,000 miles before service is required, depending on driving conditions, making it a cost-effective solution for motorcycle enthusiasts. Additionally, this product is street legal in all 50 states, ensuring compliance with regulations while delivering enhanced performance.

Installation is straightforward, typically taking 90 minutes or less, allowing riders to quickly benefit from the performance enhancements. With its durable construction and effective design, the K & N Filters Cold Air Intake System is a reliable choice for those looking to optimize their Harley-Davidson 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: 57-1122P
• 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

• 2008-2016 Harley Davidson FLHR Road King
• 2008-2013 Harley Davidson FLHRC Road King Classic
• 2008-2008 Harley Davidson FLHRSE4 Screamin Eagle Road King
• 2008-2009 Harley Davidson FLHT Electra Glide Standard
• 2008-2013 Harley Davidson FLHTC Electra Glide Classic
• 2009-2012 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
• 2011-2012 Harley Davidson FLHTK Electra Glide Ultra Limited
• 2015-2016 Harley Davidson FLHTK Ultra Limited
• 2015-2016 Harley Davidson FLHTKL Ultra Limited Low
• 2008-2016 Harley Davidson FLHX Street Glide
• 2014-2016 Harley Davidson FLHXS Street Glide Special
• 2010-2010 Harley Davidson FLHXXX Street Glide Trike
• 2015-2016 Harley Davidson FLRT Freewheeler
• 2016-2017 Harley Davidson FLS Softail Slim
• 2016-2017 Harley Davidson FLSS Softail Slim S
• 2016-2017 Harley Davidson FLSTC Heritage Softail Classic
• 2016-2017 Harley Davidson FLSTF Fat Boy
• 2016-2016 Harley Davidson FLSTFB Fat Boy Lo
• 2016-2017 Harley Davidson FLSTFBS Fat Boy S
• 2008-2009 Harley Davidson FLTR Road Glide
• 2011-2012 Harley Davidson FLTRU Road Glide Ultra
• 2015-2016 Harley Davidson FLTRX Road Glide
• 2010-2013 Harley Davidson FLTRX Road Glide Custom
• 2015-2016 Harley Davidson FLTRXS Road Glide Special
• 2016-2017 Harley Davidson FXSB Breakout

Technical Documents

• 57-1122P_inst.pdf