Gain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Duramax! Our intake horn directly replaces the smaller (2.4" diameter) plastic molded stock intake runner with our larger (3.3" diameter) cast aluminum model. Kit Contents: Cast aluminum intake horn Square cut O-ring Billet aluminum fitting for PCV connection M8x1.25 mounting hardware Application Notes: This intake horn is a direct replacement for the stock GM intake horn. No modifications or tuning are required to take advantage of this simple upgrade!
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2017-2019 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2017-2019 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2017-2019 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2017-2019 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2017-2019 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2017-2019 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2017-2019 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2017-2019 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2017-2019 |
GMC |
Sierra 2500 HD |
Base |
| 2017-2019 |
GMC |
Sierra 2500 HD |
Denali |
| 2017-2019 |
GMC |
Sierra 2500 HD |
SLE |
| 2017-2019 |
GMC |
Sierra 2500 HD |
SLT |
| 2017-2019 |
GMC |
Sierra 3500 HD |
Base |
| 2017-2019 |
GMC |
Sierra 3500 HD |
Denali |
| 2017-2019 |
GMC |
Sierra 3500 HD |
SLE |
| 2017-2019 |
GMC |
Sierra 3500 HD |
SLT |
