Fleece FPE-INTAKEHORN Modified LB7 Intake Horn. For 2001, 2002, 2003, 2004 GM 6.6L Duramax LB7. Back-to-back dyno pulls showed an increase of 15HP
The Fleece FPE-INTAKEHORN Modified LB7 Intake Horn will increase the potential of your 2001-2004 GM 6.6L Duramax LB7 with this simple, but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance Modified LB7 Intake Horn that's about the cheapest 15hp from a bolt on you'll find anywhere! Gasket included.
Note: Fits Federal emissions trucks only. Not for use on California emissions models.