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Wehrli Custom Fab Stage 2 Intake Kit for 2004.5–2005 GM LLY 6.6L Duramax, finished in Bengal Silver, replaces the restrictive OEM plastic inlet with a fabricated aluminum 4" intake pipe and airbox plus a dry filter and pre‑filter cover. The package includes a 4.8" cast aluminum turbo intake horn, silicone boot, stainless t‑bolt clamps and hardware. It is a bolt‑on upgrade that improves airflow and throttle response without requiring tuning.
Wehrli 04.5-05 Duramax LLY 4in Stage 2 Intake Kit - Bengal Silver
