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 is a direct replacement for the factory 2.4" plastic intake horn found on the 2017-2019 L5P Duramax.
Important Note:
WCFAB products are built to order and may require an extended lead time. The estimated ship date will be provided once the order is processed.
Features & Benefits:
- Increased Power & Efficiency
- Up To 25HP Gain
- Fits Stock & Aftermarket Intakes
- Includes New Oring & Hardware
- Fits The 2017-2019 L5P Duramax
