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The WCFab Stage 3 High Flow Bundle for 2006–2007 Chevrolet 6.6L Duramax LBZ combines a 3in stainless downpipe with high‑flow intake and intercooler components to optimize turbo airflow and exhaust flow. The kit includes a 4.8in intake horn, 4in aluminum intake piping, CNC flanges with double o‑ring seals and reinforced silicone boots and clamps. Designed for durability, the set installs as a bolt‑on upgrade for stock trucks without requiring tuning.
Wehrli 06-07 Chevrolet 6.6L Duramax LBZ Stage 3 High Flow Bundle Kit - WCFab Grey
