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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 Duramax (L5P) replaces the OEM plastic inlet with a cast-aluminum, higher-flow mouthpiece. It features a billet PCV port, O-ring compressor seal and 25% greater inlet area than stock for improved turbo airflow and throttle response. The powder-coated finish offers a durable, custom appearance and straightforward bolt-on installation.
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Grey
