Not compatible with OEM or other aftermarket intake systems that have the boot connection (intake to horn) molded to the intake pipe/not removable. If your intake uses a Boot and two clamps for connection, then the WCFab horn will work with that intake.
Wehrli Custom Fab Intake Horn, 5in., for 2006-2010 Duramax LBZ/LMM, Bengal Blue
5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.