Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Wehrli Custom Fab S400 single turbo install kit is a comprehensive package for 2001–2004 Duramax LB7 Chevrolet 2500/3500 HD trucks that upgrades the stock IHI-style turbo to a larger Borg Warner S400-style arrangement. The kit includes a fabricated 5" aluminum intake and air box, 3" mandrel-bent hot/cold-side intercooler piping, a 3" ceramic-coated downpipe, stainless braided oil lines, a fabricated 3" y-bridge, T4 pedestal and hardware, and premium filter components; some turbo choices require customer-supplied unit for mock-up.
Wehrli 01-04.5 Chevrolet 6.6L LB7 Duramax S400 Turbo Install Kit (No Turbo) - Illusion Purple
