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Wehrli Custom Fab Stage 3 high‑flow bundle kit for 2017–2019 Duramax L5P in Candy Teal pairs the Stage 2 intake enhancements with a 3.5" ceramic‑coated downpipe for improved airflow on both intake and exhaust sides. The full assembly upgrades restricted factory plumbing, includes reinforced silicone boots, stainless t‑bolt clamps and sensor bungs, and is designed for bolt‑on installation while retaining factory connection points.
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Candy Teal
