Wehrli - WCF100833-GW
Wehrli Custom Fab Intake Horn, 3.5in., for 2020-2024 Duramax L5P, Gloss White
3.5 in. Turbo Intake Horn for the 2020-2024 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 in. Horn when used with a Max Effort Tune. Tuning not required, this horn will work plug and play tuners or OEM calibration.