K&N Aircharger Intake System - Black — Harley-Davidson Road King, Road King Special, Tri Glide Ultra Classic (2017-2022)

K&N Aircharger Performance Intake System in black delivers more horsepower by replacing the restrictive stock air cleaner with a high-flow K&N filter and mandrel-bent aluminum intake tube. Complete bolt-on kit includes billet aluminum throttle-body mount, breather assembly, and all hardware needed for installation.

Features

• K&N High-Flow Air Filter element
• Mandrel-bent aluminum intake tube
• Billet aluminum throttle-body mounting plate
• Complete breather assembly included
• Aggressive custom appearance
• Guaranteed horsepower increase

Specifications

• Brand: K&N
• Manufacturer Part #: 63-1138
• UPC: 024844365262
• Length: 11.75 in
• Width: 9.5 in
• Height: 4.88 in
• Weight: 3 lbs

Fitment

Not street-legal for use on California pollution-controlled vehicles. Check local emissions laws in your state before installing.

Frequently Asked Questions

Will this void my Harley warranty?

Check with your Harley dealer. Aftermarket intake systems can affect warranty coverage depending on your model year and local service policies.

Is this legal where I ride?

This system is not legal in California on pollution-controlled vehicles. Check your state and local emissions regulations before purchase.

What horsepower gain should I expect?

K&N guarantees a horsepower increase. Actual gains depend on your engine displacement, year, and whether you tune the fuel system.

Can I install this myself?

Yes — all necessary mounting hardware and breather assembly are included. Basic hand tools and mechanical knowledge are needed.

Do I need a tuner with this intake?

A tuner or fuel controller is optional but recommended to optimize the fuel-air mixture and maximize the horsepower gain.