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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 plumbing with a fabricated aluminum 4" pipe and enlarged intake horn to increase airflow to the turbo. The bolt-on assembly draws cool air through hood ram ducts and inner fender, improving throttle response, intake temps, and engine performance without requiring tuning. Finished in custom powder coat and includes dry filter and clamps.
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax 4in Intake Kit Stage 2 - Flat Black
