Sale

Air and Fuel› Intake Manifolds and Components

Wehrli

Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1 - Fine Texture Black

$1,179.00 $1,143.63 Save $35.37

SKU: W005 WCF100411-FTB

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: WCF100411-FTB

The OEM components between the turbo and engine Check out the WCFab Stage 1 High Flow Intake Bundle Kit for the 2001-2004 6.6L Duramax. This kit replaces the restrictive OEM LB7 Y-bridge, passenger side intercooler pipe, and driver side intercooler pipe with a high flow, 3" mandrel bent aluminum piping kit feeding WCFab's signature TIG welded, CNC machined billet y-bridge base to help increase throttle response, turbo spool up, and reduce EGTs by creating a full 3" intake tract between your turbo and engine.

Wehrli Custom Fab High Flow Bundle Intake Kit Stage 1, 01-04 Duramax LB7, Fine Texture Black

MIA's Description

This kit replaces restrictive OEM components (Y-bridge, passenger/driver side intercooler pipes) between the turbo and engine with 3" mandrel-bent aluminum piping. It features WCFab's TIG welded, CNC machined billet y-bridge base to increase throttle response, turbo spool-up, and reduce EGTs. Includes upgraded silicone boots for higher pressures/temperatures and a Fuel Pressure Regulator Valve (FPRV) Block Off Kit.

Fitment

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Specifications

BrandWehrli
Part NumberW005 WCF100411-FTB

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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