The Wehrli Custom Fab Stage 2 4" intake kit for 2001–2004 GM LB7 6.6L Duramax in Kiwi Green replaces restrictive factory components with fabricated aluminum 4" piping and an air box. It includes a dry filter and pre‑filter cover, stainless t‑bolt clamps, and a high‑flow turbo intake horn to improve airflow, throttle response, and intake temperatures in a bolt‑on package compatible with OEM IHI‑style turbos.
Wehrli 01-04 Duramax LB7 4in Stage 2 Intake Kit w/ Air Box - Kiwi Green