Chevrolet Silverado 2500 Turbo Swap Kit - Wehrli - S400 Single Turbo Install - Bengal Silver - 01-04 for 2001–2004 LB7 6.6L converts the stock IHI to a BorgWarner S400 single for freer airflow.

Built by WCFab, this kit updates the intake and charge path for your S400 swap: a 5 inch fabricated aluminum intake with sheet‑metal air box and dry filter; 3 inch mandrel‑bent hot/cold pipes; and a 3 inch fabricated billet Y‑bridge replacing the restrictive upper manifold. It includes stainless braided oil lines, a T4 pedestal with spacer, and a ceramic‑coated 3 inch downpipe (Half Marmon 4.6 inch; not HX40). Forward‑facing thermostat housing WCF100405 required on LB7. Bengal Silver finish.

Features

• 5" intake, fabricated aluminum air box/lid
• 3" mandrel‑bent hot/cold pipes (14‑ga aluminum)
• 3" fabricated billet high‑flow Y‑bridge
• Stainless braided oil lines; T4 pedestal/spacer (turbo sold separately)
• 3" ceramic‑coated downpipe; mates to factory front pipe V‑band

Questions on sizing or fitment? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). We have locations in Austin, Texas and the Los Angeles, California area offering installation and customization. Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov