Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Wehrli Custom Fab 4in intake kit in WCFab Grey for 2017–2019 GM L5P 6.6L Duramax replaces stock plastic with a fabricated aluminum 4in pipe and air box and a dry filter assembly. It uses the hood ram air duct and inner fender for colder intake air, includes high-quality silicone boots and stainless T‑bolt clamps, a removable air box lid and pre-filter cover, and installs as a bolt-on, no-tune upgrade.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - WCFab Grey
