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The Wehrli WCFab 4" intake kit for 2017–2019 Chevrolet Duramax L5P swaps the restrictive factory plumbing for a fabricated aluminum intake pipe and air box with a dry filter assembly. The large-diameter 4" piping, smooth bends, and hood ram-air duct improve airflow to the turbo for better throttle response, cooler intake temperatures, and increased torque. Bolt-on hardware, silicone boots, stainless T-bolt clamps, and a removable lid simplify maintenance.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Semi-Gloss Black
