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The WCFab 4-inch high-flow cast-aluminum turbo intake horn for 2017–2025 Chevrolet Silverado and GMC 2500/3500 HD trucks with the 6.6L Duramax replaces the restrictive OEM plastic inlet to increase airflow and throttle response. It bolts on with no tuning required, includes a billet aluminum PCV port, mounting hardware, and a custom powder coat. Flows up to 27% better than stock and is made in the USA.
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Bronze Chrome
