The WCFAB 3.5" intake horn was designed to replace the restrictive factory mouthpiece to increase the overall airflow for increased performance and efficiency. This intake horn is a direct replacement for the 2017-2019 L5P Duramax and does not require any other parts or modifications to install.
Features & Benefits:
- Increased Power & Efficiency
- Up To 25HP Gain Over Factory
- Fits Stock & Aftermarket Intakes
- Includes New Oring & Hardware
- No Tuning Or Modifications Needed
- Fits The 2017-2019 L5P Duramax
