The WCFab 4" Intake Kit for 2011–2016 GM LML 6.6L Duramax replaces restrictive factory plastic with a high‑flow fabricated aluminum intake and airbox to increase airflow and improve throttle response. The bolt‑on system uses 4" piping with smooth bends, includes silicone boots, stainless T‑bolt clamps, a dry filter with removable lid and pre‑filter cover, and ships finished in custom powder coat colors for a durable appearance.
Wehrli 11-16 Chevrolet Duramax LML 4in Intake Kit - Bengal Blue