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The K&N 63-1138 Aircharger Performance Intake System is designed for Harley-Davidson motorcycles and replaces the restrictive stock OE air cleaner with a K&N High-Flow Air Filter and mandrel-bent aluminum intake tube. This high-flow intake system increases airflow to help deliver more power and relieve the labored feeling associated with two-up riding or loaded touring.
Featuring an aggressive appearance, the K&N intake system includes a billet aluminum throttle-body mounting plate, complete breather assembly, and mounting hardware. K&N states that the system provides a guaranteed increase in horsepower while offering a custom look for your Harley-Davidson motorcycle.
This K&N product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.
Features:
- High-flow air filter: K&N High-Flow Air Filter significantly increases performance.
- Increased airflow: Replaces the restrictive stock OE air cleaner with a high-flow intake system.
- Aluminum intake tube: Includes a mandrel-bent aluminum intake tube.
- Throttle-body mounting plate: Features a billet aluminum custom throttle-body mounting plate.
- Complete assembly: Includes the breather assembly and mounting hardware.
- Horsepower increase: K&N states that the system provides a guaranteed increase in horsepower.
- Legal notice: Not legal for use in California on pollution-controlled vehicles; check local laws before installing.

