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The Wehrli S400/stock compound twin-turbo kit for 2001–2004 LB7 Duramax 6.6L readies your truck for a compound twin-turbo conversion capable of high RWHP with proper turbo and fuel system upgrades. Designed to improve power, fuel mileage and EGT control while maintaining tuned spool behavior, the kit includes a 5" intake with dry air filter and pre-filter cover, silicone boots, T-bolt and V-band clamps, heat wrap and clamps, stainless oil feed and drain lines, 3.5" cold-side charge piping, a 3" one-piece y-bridge, a ceramic-coated 4" downpipe and a durable powder-coated finish; made in USA.
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo) - Gloss White
