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Wehrli Custom Fab 4" high-flow intake kit in WCFab Red for 2020–2025 L5P 6.6L Duramax trucks, replacing restrictive factory plastic plumbing with large-diameter aluminum piping and a dry filter enclosure. It improves airflow to the turbo for better throttle response and cooler intake temperatures, installs with basic tools on stock trucks and requires no tuning for bolt-on fitment.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Red
