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 parts with a fabricated aluminum intake and sealed airbox finished in Bengal Blue. The bolt‑on system boosts airflow to the turbo for improved throttle response and cooler intake temperatures with no tuning required.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Bengal Blue