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The WCFab Stage 2 4‑inch intake kit for 2001–2004 GM LB7 6.6L Duramax replaces factory plastic parts with a fabricated aluminum 4" intake pipe and airbox to improve airflow to the turbo. The system includes a dry filter with a hydrophobic pre‑filter cover, silicone boots, stainless steel T‑bolt clamps, a turbo intake horn and an airbox lid for simple inspection and maintenance. It bolts on without tuning and is finished in WCFab powder coat colors.
Wehrli 01-04 Duramax LB7 4in. Stage 2 High Flow Bundle Intake Kit - Cat Yellow
