01-04 Duramax LB7 Fleece Modified Turbo Horn Compound This kit can safely support

This kit can safely support 750HP to over 1000HP depending on turbo and fueling configuration

Unlimited Hauling Flexibility

**A 2015-2019 Powerstroke turbocharger must be returned in order to obtain a core refund

Typical aftermarket exhaust manifold bolts are much shorter than stock which after numerous heat cycles can cause them to fatigue and start to stretch

If your diesel is on the down-low

01-04 Duramax LB7 Fleece Modified Turbo Horn Compound This kit can safely supportIncrease your LB7s potential with this simple, but effective upgrade. Back to back dyno pulls showed an increase of 15hp with this Fleece Performance Modified LB7 Intake Horn thats about the cheapest 15hp from a bolt on youll find anywhere! Painted black with a Fleece logo, includes a new Mahle gasket, B32478.