01-04 Duramax LB7 Fleece Modified Turbo HornIncrease 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.

T3 style housing and manifolds create a higher velocity speed and better turbo response for these power ranges

along with choosing a turbine wheel

Aggressive to the point that the softwares Eight and Nine can become difficult to handle on slippery roads

Note: We recommend this intake for trucks that have the factory EGR cooler in place as the stage 2 is a tight fit with EGR Cooler

Optimally positions key performance data within driver's field of vision

ready to install dual pillar kit

Axle Gear Ratio*

Backdowns & More)

5" Stainless T-Bolt Clamp

High Pressure Oil Pump Drain Plug O-Ring x1

S300 turbo kit or S400 turbo kit down the road

These heads are a direct replacement for your tired and cracked 6