K&N Engineering Street Metal Intake System for 2008-2009 Harley Davidson Road King Models (Part No. RK-3952)

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If you're looking for an aggressive appearance but want a significant increase in airflow, resulting in more power, this high-flow air intake system is exactly what your Harley needs. Installation is so simple, it can usually be done in 90 minutes or less. The K&N air filter is washable, reusable, pre-oiled and ready for installation. This intake system features an updated, modern look with an oval-shaped matte black housing. Silver details and sanded fins further enhance the streamlined look. Internal breathers provide a sleek, clean appearance. This air intake has a classic styling with a savage appeal. K&N Street Metal performance air intake systems increase power by replacing the restrictive stock OE air cleaner with a K&N complete performance air intake system.

• Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
• Cast aluminum high-volume, performance air intake housing in black
• Designed to improve throttle response and engine sound
• Built-in breathers replace external OE breathers
• Easy to install, usually in 90 minutes or less
• Integrated internal velocity stack
• Guaranteed to increase horsepower

Upgrade your Harley Davidson Road King with the K&N Engineering Street Metal Intake System, designed to deliver increased airflow and enhanced performance. Featuring a high-flow, washable cotton air filter, this system replaces the restrictive stock OE air cleaner to optimize throttle response and engine sound. The cast aluminum housing, finished in a sleek matte black with silver accents and sanded fins, offers an aggressive yet modern appearance that complements your bike's style. Internal breathers provide a clean, streamlined look while maintaining a classic, savage appeal. Installation is straightforward, typically taking less than 90 minutes, making it an accessible upgrade for most riders. The integrated velocity stack further improves airflow, ensuring your engine breathes efficiently and produces more power. This system is compatible with various 2008 and 2009 Harley Davidson models, including Road King, Road Glide, and Electra Glide, providing a versatile upgrade for your touring motorcycle. The K&N intake system is crafted to meet EPA standards and is compliant with applicable regulations, ensuring a responsible performance enhancement. Built for durability and performance, the system guarantees an increase in horsepower, giving your Harley the aggressive edge it deserves while maintaining a high level of protection and efficiency.

Features:

• Washable and reusable K&N High-Flow cotton air filter for outstanding performance and protection

• Cast aluminum high-volume, performance air intake housing in matte black with silver details

• Designed to improve throttle response and engine sound

• Built-in breathers replace external OE breathers for a sleek appearance

• Easy installation, typically completed in 90 minutes or less

• Integrated internal velocity stack for optimized airflow

• Guaranteed to increase horsepower and overall engine performance

Fits
Harley Davidson FLHR Road King Base 2008
Harley Davidson FLHR Road King Base 2009
Harley Davidson FLHR Road King Base 2010
Harley Davidson FLHR Road King Base 2011
Harley Davidson FLHR Road King Base 2012
Harley Davidson FLHR Road King Base 2013
Harley Davidson FLHR Road King Base 2014
Harley Davidson FLHR Road King Base 2015
Harley Davidson FLHR Road King Base 2016
Harley Davidson FLHRC Road King Classic Base 2008
Harley Davidson FLHRC Road King Classic Base 2009
Harley Davidson FLHRC Road King Classic Base 2010
Harley Davidson FLHRC Road King Classic Base 2011
Harley Davidson FLHRC Road King Classic Base 2012
Harley Davidson FLHRC Road King Classic Base 2013
Harley Davidson FLHRSE4 Screamin Eagle Road King Base 2008
Harley Davidson FLHT Electra Glide Standard Base 2008
Harley Davidson FLHT Electra Glide Standard Base 2009
Harley Davidson FLHTC Electra Glide Classic Base 2008
Harley Davidson FLHTC Electra Glide Classic Base 2009
Harley Davidson FLHTC Electra Glide Classic Base 2010
Harley Davidson FLHTC Electra Glide Classic Base 2011
Harley Davidson FLHTC Electra Glide Classic Base 2012
Harley Davidson FLHTC Electra Glide Classic Base 2013
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2008
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2009
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2010
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2011
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2012
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2013
Harley Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide Base 2010
Harley Davidson FLHTCUTG Tri Glide Ultra Classic Base 2009
Harley Davidson FLHTCUTG Tri Glide Ultra Classic Base 2010
Harley Davidson FLHTCUTG Tri Glide Ultra Classic Base 2011
Harley Davidson FLHTCUTG Tri Glide Ultra Classic Base 2012
Harley Davidson FLHTCUTG Tri Glide Ultra Classic Base 2013
Harley Davidson FLHTK Electra Glide Ultra Limited Base 2011
Harley Davidson FLHTK Electra Glide Ultra Limited Base 2012
Harley Davidson FLHTK Electra Glide Ultra Limited Base 2013
Harley Davidson FLHTK Electra Glide Ultra Limited Base 2014
Harley Davidson FLHTK Ultra Limited Base 2015
Harley Davidson FLHTK Ultra Limited Base 2016
Harley Davidson FLHTKL Ultra Limited Low Base 2015
Harley Davidson FLHTKL Ultra Limited Low Base 2016
Harley Davidson FLHX Street Glide Base 2008
Harley Davidson FLHX Street Glide Base 2009
Harley Davidson FLHX Street Glide Base 2010
Harley Davidson FLHX Street Glide Base 2011
Harley Davidson FLHX Street Glide Base 2012
Harley Davidson FLHX Street Glide Base 2013
Harley Davidson FLHX Street Glide Base 2014
Harley Davidson FLHX Street Glide Base 2015
Harley Davidson FLHX Street Glide Base 2016
Harley Davidson FLHXS Street Glide Special Base 2014
Harley Davidson FLHXS Street Glide Special Base 2015
Harley Davidson FLHXS Street Glide Special Base 2016
Harley Davidson FLHXXX Street Glide Trike Base 2010
Harley Davidson FLHXXX Street Glide Trike Base 2011
Harley Davidson FLRT Freewheeler Base 2015
Harley Davidson FLRT Freewheeler Base 2016
Harley Davidson FLS Softail Slim Base 2016
Harley Davidson FLS Softail Slim Base 2017
Harley Davidson FLSS Softail Slim S Base 2016
Harley Davidson FLSS Softail Slim S Base 2017
Harley Davidson FLSTC Heritage Softail Classic Base 2016
Harley Davidson FLSTC Heritage Softail Classic Base 2017
Harley Davidson FLSTF Fat Boy Base 2016
Harley Davidson FLSTF Fat Boy Base 2017
Harley Davidson FLSTFB Fat Boy Lo Base 2016
Harley Davidson FLSTFB Fat Boy Lo Base 2017
Harley Davidson FLSTFBS Fat Boy S Base 2016
Harley Davidson FLSTFBS Fat Boy S Base 2017
Harley Davidson FLSTN Softail Deluxe Base 2016
Harley Davidson FLSTN Softail Deluxe Base 2017
Harley Davidson FLTR Road Glide Base 2008
Harley Davidson FLTR Road Glide Base 2009
Harley Davidson FLTR Road Glide Base 2010
Harley Davidson FLTRU Road Glide Ultra Base 2011
Harley Davidson FLTRU Road Glide Ultra Base 2012
Harley Davidson FLTRU Road Glide Ultra Base 2013
Harley Davidson FLTRX Road Glide Base 2015
Harley Davidson FLTRX Road Glide Base 2016
Harley Davidson FLTRX Road Glide Custom Base 2010
Harley Davidson FLTRX Road Glide Custom Base 2011
Harley Davidson FLTRX Road Glide Custom Base 2012
Harley Davidson FLTRX Road Glide Custom Base 2013
Harley Davidson FLTRXS Road Glide Special Base 2015
Harley Davidson FLTRXS Road Glide Special Base 2016
Harley Davidson FXSB Breakout Base 2016
Harley Davidson FXSB Breakout Base 2017