Shop with Blessed Performance for the Fleece Modified Intake Horn for your 2001-2004 GM 6.6L LB7 Duramax diesel. 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.
Highlights:
- 15HP Increase
- Easy Upgrade
Note:
Fits Federal emissions trucks only. Not for use on California emissions models.