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Wehrli Custom Fab Stage 2 Intake Kit for 2004.5–2005 GM LLY 6.6L Duramax, shown in Cat Yellow, swaps the factory plastic intake for a fabricated aluminum 4" pipe and airbox with a dry filter and hydrophobic pre‑filter cover. The system includes a 4.8" cast aluminum turbo intake horn, silicone boot, stainless t‑bolt clamps and hardware. Bolt‑on installation requires basic tools and no tuning, improving airflow and response.
Wehrli 04.5-05 Duramax LLY 4in Stage 2 Intake Kit - Cat Yellow
