Chevrolet Silverado 2500 Turbocharger Kit by Wehrli, S400/Stock, Brizzle Blue, 2001-2004. A compound setup for Duramax LB7 owners who want cooler EGTs, responsive drivability, and room to grow.

This twin kit combines an S400 atmosphere with the factory IHI for strong midrange and stock-like spool on the street or while towing. Works with common S475 and S480 selections, plus 64 mm drop-in secondaries; results depend on fuel, tuning, and drivetrain (a built Allison is recommended at higher output). Not compatible with Banks intercoolers unless ordered with the required parts and added lead time. Passenger-side battery relocation is required. Hot/driver-side intercooler pipe sold separately (WCF100349). Turbochargers are not included. Made in USA.

Features

• 4 in ceramic-coated downpipe
• 5 in intake with dry filter and pre-filter
• Stainless oil feed and drain lines
• Atmosphere pedestal with built-in oil return
• 3 in one-piece Y-bridge with HD bead roll
• 3.5 in cold-side pipe and 3.5 in turbo inlet horn
• Coolant overflow tank, sensor, hoses, and fittings
• Silicone boots, T-bolts, V-bands, heat wrap

Have questions or want a configuration recommendation for your LB7 build? Call our team in Austin, TX at 512-982-9393 or in the Los Angeles, CA area at 562-981-6800. We offer installation and customization services 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