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Wehrli Custom Fab 4" intake kit for 2020–2025 Duramax L5P in Illusion Purple is a high-flow aluminum intake and air box assembly with a dry filter that replaces restrictive factory plastics. It uses smooth 4" piping and a larger intake horn to increase airflow to the turbo, improving throttle response, intake temps and intake sound. The full assembly is powder-coated for a custom finish and installs bolt-on with no tuning required.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Illusion Purple
