- Backing plate promotes smooth airflow into the carb/throttle body
- Allows for viewing of the internal moving intake components
- CNC-machined from billet aluminum
- Includes high-volume K&N air filter
- All mounting hardware included
- Made in the U.S.A.
- For '91-'21 Sportster with CV carb/Delphi EFI (except '21 Sportster S/ RH1250S).