Chevrolet Silverado 2500 Turbo Swap Kit - Wehrli - S400 - Cat Yellow - 01-04. Built for 2001-2004 6.6L LB7 trucks, this kit converts the stock IHI to an S400-based single.

Includes a 5 in fabricated aluminum intake with heavy-duty air box and dry filter with pre-filter, high-flow 3 in mandrel-bent 14 ga aluminum hot/cold piping, and a 3 in fabricated high-flow Y-bridge to replace the restrictive factory upper manifold. The T4 pedestal with spacer accepts S400 turbos (sold separately). Stainless braided oil lines and a ceramic-coated downpipe mate to the factory front pipe—no exhaust cutting. Forward-facing thermostat housing WCF100405 required; downpipe fits Half Marmon S400 (4.6 in).

Features

• 5 in intake, fabricated air box, dry filter
• 3 in 14 ga aluminum hot/cold piping
• 3 in high-flow fabricated Y-bridge
• T4 pedestal & spacer (S400 compatible)
• Ceramic-coated 3 in downpipe; braided oil lines

Questions on sizing, SXE/race covers, or fitment/mock-up? Call 512-982-9393 or 562-981-6800. We offer installation and customization at our Austin, Texas and Los Angeles, California area locations.

Considering multiple items? Contact us for shipping discounts. We install on premises at both locations.

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