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The Wehrli Custom Fab S400 twin turbo kit in gloss black for 2001–2004 Chevrolet 6.6L LB7 Duramax is a compound turbo package (turbos not included) engineered for substantial power with retained drivability. Rated up to roughly 1000 RWHP depending on component selection and fuel upgrades, the kit supplies intake and intercooler plumbing, stainless oil lines, a dry air filter with pre-filter cover, and heavy-duty hardware for installation.
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo) - Gloss Black
