K&N Street Metal Air Cleaner Assembly (MPN: RK-3952S)

Enhance airflow and performance with a sleek design for Harley Davidson.

The K&N Street Metal Air Cleaner Assembly is engineered to replace the restrictive stock air cleaner on Harley Davidson motorcycles. This assembly features a high-flow air filter and a cast aluminum housing that significantly improves airflow, resulting in enhanced engine performance and throttle response. The design includes a modern oval shape with a silver powder-coated finish, complemented by red cotton gauze filter material for optimal filtration and airflow.

Installation of the K&N air cleaner is straightforward, typically completed in 90 minutes or less, making it accessible for motorcycle enthusiasts. The washable and reusable air filter is pre-oiled and ready for immediate use, ensuring long-lasting performance and protection. Additionally, the integrated internal velocity stack and built-in breathers contribute to a clean and streamlined appearance, eliminating the need for external OE breathers.

This air cleaner assembly not only boosts horsepower but also adds an aggressive aesthetic to your motorcycle. With its combination of functionality and style, the K&N Street Metal Air Cleaner Assembly is a valuable upgrade for those seeking to enhance their Harley Davidson's performance.

Features

• Designed To Improve Throttle Response And Engine Sound
• Cast Aluminum High-Volume, Performance Air Intake Housing In Silver
• Washable And Reusable K&N High-Flow Cotton Air Filter That Provides Outstanding Performance And Protection
• Integrated Internal Velocity Stack
• Built-In Breathers Replace External OE Breathers
• Guaranteed To Increase Horsepower
• Easy To Install, Usually In 90 Minutes Or Less

Specifications

• Manufacturer: K & N Filters
• Manufacturer Part Number: RK-3952S
• Height (IN): 4-1/4 Inch
• Top Design: K&N Logo
• Finish: Powder Coated
• Color: Silver
• Material: Aluminum
• Air Filter Height (IN): 2.39 Inch
• Air Filter Color: Red
• Air Filter Material: Cotton Gauze
• Estimated Install Time (Hours): 0.5

Compatibility / Fit

• 2008-2019 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
• 2008-2013 Harley Davidson FLHTCU Electra Glide Ultra Classic
• 2010-2010 Harley Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide
• 2009-2013 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
• 2011-2014 Harley Davidson FLHTK Electra Glide Ultra Limited
• 2015-2019 Harley Davidson FLHTK Ultra Limited
• 2015-2019 Harley Davidson FLHTKL Ultra Limited Low
• 2008-2019 Harley Davidson FLHX Street Glide
• 2014-2019 Harley Davidson FLHXS Street Glide Special
• 2010-2011 Harley Davidson FLHXXX Street Glide Trike
• 2015-2019 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
• 2016-2017 Harley Davidson FLSTN Softail Deluxe
• 2008-2009 Harley Davidson FLTR Road Glide
• 2011-2013 Harley Davidson FLTRU Road Glide Ultra
• 2015-2019 Harley Davidson FLTRX Road Glide
• 2010-2013 Harley Davidson FLTRX Road Glide Custom
• 2015-2019 Harley Davidson FLTRXS Road Glide Special
• 2017-2017 Harley Davidson FXDWG Dyna Wide Glide
• 2016-2017 Harley Davidson FXSB Breakout

Technical Documents

• RK-3952_inst.pdf
• RK-3952_dyno.pdf