Wehrli 2017 - 2019 Chevrolet Silverado / Sierra 2500 / 3500 HD 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - WCFab Grey

3 1/2" Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4" in diameter, and we experienced a 25HP Gain with our 3.5" Horn when used with a Max Effort Tune. Tuning is unnecessary; this horn will work with plug-and-play tuners or OEM calibration.

-NO Tuning required; bolt on!
-Will fit with OEM or any aftermarket intake kit.
-Will fit on stock truck no other modifications or upgrades necessary!