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The Wehrli Custom Fab Stage 2 4" intake kit for 2017–2019 GM Duramax L5P 6.6L is a high-flow aluminum intake and airbox assembly that replaces restrictive factory plastic components. Its 4" pipe, smooth bends and larger intake horn increase airflow to the turbo for improved horsepower, torque and throttle response; Wehrli reports gains with specific horn sizes. The kit uses factory mounts, stainless T-bolt clamps and a dry filter with pre-filter cover for bolt-on installation.
Wehrli 17-19 Chevrolet 6.6L L5P 4in Intake Kit Stage 2 - Deore Gold
