Wehrli Custom Fabrication WCF100411-BR Stage High Flow Intake Bundle Kit Duramax - 1 LB7

The Wehrli Custom Fabrication Stage 1 High Flow Intake Bundle Kit is designed to improve performance and efficiency on 2001-2004 LB7 6.6L Duramax engines by replacing restrictive OEM components between the turbo and engine. This comprehensive kit features high-flow 3-inch mandrel bent aluminum piping that significantly increases airflow for improved throttle response and engine efficiency.

Key Features:

• 3-inch fabricated Y-bridge for OEM style intake horn
• 3-inch passenger side (cold) intercooler pipe
• 3-inch driver side (hot) intercooler pipe
• 14-gauge aluminum construction with TIG welded joints
• FPRV (Fuel Pressure Regulator Valve) block off kit for proper clearance
• O-ring bridge flange gaskets included
• MAP sensor seal and hold-down bracket
• Silicone boots and T-bolt clamps included
• Durable custom powder coat finish
• Made in USA

This Stage 1 kit is ideal for enthusiasts who already have an air intake and turbo downpipe but want to address the weak points in OEM components. The FPRV block off kit allows proper clearance for the larger diameter Y-bridge assembly, maximizing airflow to your turbo and engine.

Note: Not recommended for use with S300 or S400 style turbochargers. This kit is designed for OEM/IHI style upgraded drop-in turbos.