Chevrolet Silverado 3500 HD Turbo Swap Kit - Wehrli - S300 Single Turbo Install - Illusion Purple - 01-04. For 2001–2004 LB7 Duramax, it replaces the stock IHI with an S300-style system.

Engineered by WCFab, it upgrades the intake and charge path with a 4 inch fabricated aluminum intake and air box, 3 inch mandrel-bent hot/cold pipes, and a 3 inch billet high-flow Y-bridge. Includes stainless braided oil lines and a driver-side trans dipstick relocation. Illusion Purple finish. Made in USA.

Features

• 4" fabricated aluminum intake, air box, and dry filter
• 3" hot/cold intercooler pipes; 3" billet high-flow Y-bridge
• 3" ceramic-coated HX40 downpipe to factory V-band
• T4 pedestal (turbo sold separately)
• Note: WCFab forward-facing thermostat housing (WCF100405) and HX40 turbine outlet required for fitment

Questions or planning an install? Call our Austin, TX shop at 512-982-9393 (TX) or our Los Angeles area shop at 562-981-6800 (CA). We offer installation and customization at both locations.

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

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov