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The Wehrli Custom Fab twin turbo kit for 2001–2004 Chevrolet 6.6L LB7 Duramax (S400/stock compound) is a comprehensive turbo upgrade package intended to increase power, improve EGT control and retain stock-like spool characteristics. The kit is capable of supporting up to 1000 RWHP depending on turbo and fuel-system choices and includes components like coolant overflow tank, silicone boots, clamps, stainless oil lines, intercooler and downpipe hardware, and a ceramic-coated finish.
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo) - Bronze Chrome
