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Wehrli Custom Fab Stage 2 4" intake kit for 2020–2025 Duramax L5P 6.6L (Chevrolet Silverado / GMC Sierra 2500/3500 HD) replaces restrictive factory plastic parts with fabricated aluminum 4" piping and a larger intake horn to increase airflow to the turbo. The bolt-on assembly draws cold air through the hood ram air duct, improves throttle response and intake temperatures, ships with a dry filter, and requires no tuning.
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax 4in Intake Kit Stage 2 - Gloss White
