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The WCFab 4" high‑flow turbo intake horn for 2017–2025 Chevrolet Silverado and GMC 2500/3500 HD trucks with the 6.6L L5P Duramax replaces the OEM plastic turbo inlet to increase airflow and throttle response. It includes a billet aluminum PCV port and a CNC machined cast aluminum construction with an O‑ring turboface seal. Bolt‑on, finished in custom powder coat and made in USA; also compatible with select 2019–2024 medium duty L5D Duramax trucks.
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Deore Gold
