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The WCFab S300 single‑turbo install kit for 2001–2004 Chevy Silverado 2500/3500 HD LB7 Duramax swaps the stock IHI turbo to a BorgWarner S300‑style setup and updates intake and intercooler plumbing to 3–4" fabricated aluminum piping. The kit includes a fabricated air box and filter, high‑flow y‑bridge, stainless braided oil lines, ceramic‑coated downpipe and hardware to simplify the turbo upgrade path.
Wehrli 01-04 Duramax LB7 LB7S300 Single Turbo Install Kit - Bengal Red
