Chevrolet Silverado 3500 HD Turbo Swap Kit - Wehrli - S300 Single Turbo Install - Kiwi Green - `01-`04
Chevrolet Silverado 3500 HD Turbo Swap Kit - Wehrli - S300 Single Turbo Install - Kiwi Green - `01-`04

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Chevrolet Silverado 3500 HD Turbo Swap Kit – Wehrli S300 Single Turbo Install, Kiwi Green. Converts 2001–2004 Duramax LB7 trucks from the stock IHI to an S300‑style system.
This WCFab package upgrades the intake and charge path for dependable airflow and prepares your LB7 for S300 turbos. Hardware for a straightforward swap is included.
Features
- 4" fabricated aluminum intake with air box and dry filter
- 3" mandrel-bent aluminum hot/cold charge pipes
- 3" fabricated billet y-bridge
- 3" ceramic-coated downpipe; factory V-band hookup
Notes: Forward-facing thermostat housing (WCF100405) required. If supplying your own turbo, the turbine housing must have an HX40 outlet; provide brand/specs for fitment, and mock-up may be required.
Questions? Austin, TX 512-982-9393 or Los Angeles, CA area 562-981-6800. Installation and customization available at both locations. Buying multiple items? Contact us for shipping discounts; we install on premises at both shops.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov



