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The Wehrli Custom Fab 4in intake kit in Bengal Blue for 2017–2019 GM L5P 6.6L Duramax swaps the restrictive factory intake for a fabricated aluminum 4in pipe and air box with dry filter. The kit 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, and installs as a bolt-on solution requiring no tuning.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Bengal Blue
