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Wehrli Custom Fab 3" Y‑Bridge Kit for 2007.5–2010 LMM Duramax in Cat Yellow upgrades the OEM upper intake bridge to a bolt‑together two‑piece 3" assembly. Smooth mandrel bends, CNC flanges and integrated EGR and grid heater flanges provide a continuous 3" airflow path. The kit includes a silicone boot, stainless clamps, new seals and installation hardware for a bolt‑on fit with stock trucks.
Wehrli 2007.5-10 Chevrolet Duramax LMM 3in. Y-Bridge Kit - Cat Yellow
