*This Product cannot ship to the state of California
3 1/2" Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4" diameter and we experienced a 25HP Gain (Dyno comparison above) with our 3.5" Horn when used with a Max Effort Tune. Tuning recommended with this part.
-3 1/2" Intake Horn
-Mounting studs and nuts
-1" Parker Hose with Billet Adapter Fitting & Clamp