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Wehrli Custom Fab Stage 2 4-inch intake kit for 2001–2004 GM Duramax LB7 6.6L swaps the factory plastic parts for a fabricated 4" aluminum intake and enclosed air box to increase air flow to the turbo. The design draws cold air through the inner fender to lower intake temps and improve response. Includes dry filter with hydrophobic pre-filter, silicone boot, stainless t-bolt clamps, turbo-compatible horn and custom powder coat finish.
Wehrli 01-04 Duramax LB7 4in Intake Kit w/ Air Box Stage 2 - Bengal Red
