New 3.5″ Turbo Intake Horn for the 2017-2019 L5P Duramax. The OEM plastic intake horn is smaller and fragile compared to our 3.5″ Horn. This intake horn does not require tuning for installation.
- No tuning required for installation
- Will fit with OEM or any aftermarket intake
- Will fit on stock truck no modifications needed
- 2017-2019 Chevrolet Silverado 2500HD/3500HD 6.6L L5P Duramax
- 2017-2019 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax
- Will not fit aftermarket turbos