K&N Aircharger Intake System - Black - Harley Milwaukee-Eight Touring & Softail
About K&N
K&N pioneered the washable, reusable cotton-gauze air filter and has been building intake products since 1969. On a V-twin, an intake swap is usually step one of the classic uncork — filter, exhaust, then tune.
The K&N Aircharger Performance Intake System in black is engineered to deliver a significant boost in horsepower by replacing your V-twin's restrictive stock air cleaner. This complete bolt-on kit features a high-flow K&N filter and a mandrel-bent aluminum intake tube, ensuring optimal airflow for your Harley-Davidson Milwaukee-Eight Touring or Softail.
Why riders pick this
- Guaranteed horsepower increase
- K&N High-Flow Air Filter element
- Mandrel-bent aluminum intake tube
- Billet aluminum throttle-body mount
- Complete breather assembly included
- Aggressive custom appearance
Uncorking your Milwaukee-Eight engine starts with a quality intake system. The K&N Aircharger Intake provides a direct path for more air, allowing your engine to breathe easier and produce more power throughout the RPM range. The aggressive black finish and custom appearance also transform the look of your engine bay, making a statement on any Harley-Davidson.
Optimized Airflow for More Power
- K&N High-Flow Air Filter element for superior filtration and airflow
- Mandrel-bent aluminum intake tube minimizes turbulence and maximizes velocity
- Billet aluminum throttle-body mounting plate ensures a precise fit
- Complete breather assembly included for a clean installation
- Aggressive custom appearance enhances your V-twin's style
Unlock Your V-Twin's Potential
This Aircharger system is more than just an air filter; it's a comprehensive performance upgrade that lays the groundwork for further modifications. While designed for easy installation, we always recommend a professional dyno tune after installing a high-flow intake to ensure your air/fuel mixture is optimized. This will maximize your horsepower gains and ensure your Harley runs at its absolute best, whether you're cruising or pushing the limits.
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
Common questions
Will installing this intake system require a fuel tuner?
Yes, a fuel management tuner is highly recommended to optimize performance gains and maintain proper engine operation with the increased airflow.
Is this K&N Aircharger system street legal?
This system is not street-legal for use on California pollution-controlled vehicles. Please check your local emissions laws before installing in other states.
Does this come with all the necessary installation hardware?
Yes, this is a complete bolt-on kit that includes all hardware needed for installation.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | K&N |
| TYPE | Air Filters |
| SKU | K63-1138 |
| WEIGHT | 3.0 lb |
