Wehrli Custom Fabrication WCF100489-BRZ S400 Single Turbo Install Kit 2001-2004 LB7 Duramax Brizzle Blue

The Wehrli Custom Fabrication S400 Single Turbo Install Kit is a comprehensive solution for upgrading your 2001-2004 LB7 Duramax to an S400-based turbocharger system. This complete kit includes everything needed to replace restrictive factory components with high-flow 3-inch diameter aluminum piping, finished in the striking Brizzle Blue powder coat.

Key Features:

• 5-inch intake system with fabricated air box and lid constructed from 10-gauge aluminum sheet
• 14-gauge mandrel bent aluminum piping throughout for maximum flow
• Premium dry media air filter with Outerwear's pre-filter cover included
• T4 turbo pedestal and spacer with all necessary mounting hardware
• High-quality stainless steel braided oil feed line routing from main oil galley, plus oil drain line with fittings
• 3-inch fabricated high-flow Y-bridge replaces restrictive OEM unit
• 3-inch hot side and cold side intercooler piping
• 3-inch down pipe with high-temp coating that mates directly to exhaust system flange
• Driver side transmission dipstick tube relocation
• Includes all silicone boots, T-bolt clamps, V-band clamps, and heat wrap
• Durable Brizzle Blue powder coat finish for show-quality appearance

This kit eliminates the airflow bottlenecks in the factory LB7 intake and exhaust system while providing a clean, professional installation. The oil feed line is engineered to route properly from the engine block's main oil galley, and the down pipe features V-band connection for simplified installation without cutting your exhaust system. Made in the USA with Wehrli's signature attention to detail and precision fitment.

Note: This product is not CARB legal and cannot be shipped to California. For off-road competition use only.