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The Wehrli WCFab Stage 3 High Flow Bundle Kit for 2006–2007 LBZ Duramax significantly upgrades turbo airflow and intercooler plumbing with 4 in. aluminum intake piping, a 4.8 in. intake horn (20% flow improvement), a two-piece 3" Y-bridge, 3" hot- and 3.5" cold-side intercooler pipes, CNC-machined flanges with double O-rings, and a 3" stainless downpipe. Bolt-on components use silicone boots and stainless t-bolt clamps; no tuning required.
Wehrli 06-07 Duramax LBZ High Flow Bundle Kit Stage 3 - Gloss Black
