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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) upgrades the OEM turbo inlet to a cast-aluminum, higher-flow design. With an integrated billet PCV barb, O-ring compressor face seal and a smooth anti-surge profile, it increases airflow and responsiveness. Finished in gloss white powder coat, it bolts on without tuning for easy installation.
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White
