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Wehrli Custom Fab 3" Y‑Bridge Kit for 2006–2007 LBZ Duramax replaces the OEM upper intake bridge with a bolt‑together, high‑flow two‑piece assembly. CNC‑machined flanges, mandrel‑bent intercooler pipes and a full 3" tract improve flow and eliminate OEM failure points. Includes silicone boot, T‑bolt clamps and seals; compatible with stock trucks and installs bolt‑on with no additional modifications or tuning required for normal use.
Wehrli 06-07 Chevrolet Duramax LBZ 3in. Y-Bridge Kit - Bengal Red
