Description: 100% brand new and high quality Professional installation highly recommended. (No manual included) Specification: Polished Finish 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 Package Includes: .
