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The Wehrli Custom Fab 4in intake kit in WCFab Red for 2017–2019 GM L5P 6.6L Duramax replaces the factory intake with fabricated aluminum 4in piping and an air box enclosure with dry filter. The bolt-on assembly draws cold air through the hood ram air duct and inner fender, includes silicone boots, stainless T‑bolt clamps and a removable lid with pre-filter cover for easy inspection and maintenance.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - WCFab Red
