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The Wehrli Custom Fab 4" intake kit for 2020–2025 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with the 6.6L L5P Duramax replaces restrictive factory plumbing with a fabricated aluminum pipe and sealed airbox. The bolt‑on assembly draws cold Ram Air through hood and inner fender, increases airflow for improved throttle response, torque and cooler intake temps without tuning.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black
