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Wehrli's Stage 2 4" intake kit with air box for 2017–2019 GM Duramax L5P 6.6L replaces restrictive plastic parts with a fabricated aluminum 4" intake, larger 3.5" horn, and dry filter in an enclosed air box to boost airflow, cooler intake temps, and throttle response. The kit uses silicone boots, stainless t‑bolt clamps, and a removable lid with pre‑filter cover for easy inspection and maintenance.
Wehrli 17-19 Chevrolet 6.6L L5P 4in Intake Kit Stage 2 - WCFab Grey
